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Theorem seglecgr12im 28286
Description: Substitution law for segment comparison under congruence. Theorem 5.6 of [Schwabhauser] p. 42. (Contributed by Scott Fenton, 11-Oct-2013.)
Assertion
Ref Expression
seglecgr12im  |-  ( ( ( N  e.  NN  /\  A  e.  ( EE
`  N )  /\  B  e.  ( EE `  N ) )  /\  ( C  e.  ( EE `  N )  /\  D  e.  ( EE `  N )  /\  E  e.  ( EE `  N
) )  /\  ( F  e.  ( EE `  N )  /\  G  e.  ( EE `  N
)  /\  H  e.  ( EE `  N ) ) )  ->  (
( <. A ,  B >.Cgr
<. E ,  F >.  /\ 
<. C ,  D >.Cgr <. G ,  H >.  /\ 
<. A ,  B >.  Seg<_  <. C ,  D >. )  ->  <. E ,  F >. 
Seg<_ 
<. G ,  H >. ) )

Proof of Theorem seglecgr12im
Dummy variables  y 
z are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 simprrl 763 . . . . . . . . 9  |-  ( ( ( ( ( N  e.  NN  /\  A  e.  ( EE `  N
)  /\  B  e.  ( EE `  N ) )  /\  ( C  e.  ( EE `  N )  /\  D  e.  ( EE `  N
)  /\  E  e.  ( EE `  N ) )  /\  ( F  e.  ( EE `  N )  /\  G  e.  ( EE `  N
)  /\  H  e.  ( EE `  N ) ) )  /\  y  e.  ( EE `  N
) )  /\  (
( <. A ,  B >.Cgr
<. E ,  F >.  /\ 
<. C ,  D >.Cgr <. G ,  H >. )  /\  ( y  Btwn  <. C ,  D >.  /\ 
<. A ,  B >.Cgr <. C ,  y >. ) ) )  ->  y  Btwn  <. C ,  D >. )
2 simprlr 762 . . . . . . . . 9  |-  ( ( ( ( ( N  e.  NN  /\  A  e.  ( EE `  N
)  /\  B  e.  ( EE `  N ) )  /\  ( C  e.  ( EE `  N )  /\  D  e.  ( EE `  N
)  /\  E  e.  ( EE `  N ) )  /\  ( F  e.  ( EE `  N )  /\  G  e.  ( EE `  N
)  /\  H  e.  ( EE `  N ) ) )  /\  y  e.  ( EE `  N
) )  /\  (
( <. A ,  B >.Cgr
<. E ,  F >.  /\ 
<. C ,  D >.Cgr <. G ,  H >. )  /\  ( y  Btwn  <. C ,  D >.  /\ 
<. A ,  B >.Cgr <. C ,  y >. ) ) )  ->  <. C ,  D >.Cgr <. G ,  H >. )
3 simpl11 1063 . . . . . . . . . . 11  |-  ( ( ( ( N  e.  NN  /\  A  e.  ( EE `  N
)  /\  B  e.  ( EE `  N ) )  /\  ( C  e.  ( EE `  N )  /\  D  e.  ( EE `  N
)  /\  E  e.  ( EE `  N ) )  /\  ( F  e.  ( EE `  N )  /\  G  e.  ( EE `  N
)  /\  H  e.  ( EE `  N ) ) )  /\  y  e.  ( EE `  N
) )  ->  N  e.  NN )
4 simpl21 1066 . . . . . . . . . . 11  |-  ( ( ( ( N  e.  NN  /\  A  e.  ( EE `  N
)  /\  B  e.  ( EE `  N ) )  /\  ( C  e.  ( EE `  N )  /\  D  e.  ( EE `  N
)  /\  E  e.  ( EE `  N ) )  /\  ( F  e.  ( EE `  N )  /\  G  e.  ( EE `  N
)  /\  H  e.  ( EE `  N ) ) )  /\  y  e.  ( EE `  N
) )  ->  C  e.  ( EE `  N
) )
5 simpr 461 . . . . . . . . . . 11  |-  ( ( ( ( N  e.  NN  /\  A  e.  ( EE `  N
)  /\  B  e.  ( EE `  N ) )  /\  ( C  e.  ( EE `  N )  /\  D  e.  ( EE `  N
)  /\  E  e.  ( EE `  N ) )  /\  ( F  e.  ( EE `  N )  /\  G  e.  ( EE `  N
)  /\  H  e.  ( EE `  N ) ) )  /\  y  e.  ( EE `  N
) )  ->  y  e.  ( EE `  N
) )
6 simpl22 1067 . . . . . . . . . . 11  |-  ( ( ( ( N  e.  NN  /\  A  e.  ( EE `  N
)  /\  B  e.  ( EE `  N ) )  /\  ( C  e.  ( EE `  N )  /\  D  e.  ( EE `  N
)  /\  E  e.  ( EE `  N ) )  /\  ( F  e.  ( EE `  N )  /\  G  e.  ( EE `  N
)  /\  H  e.  ( EE `  N ) ) )  /\  y  e.  ( EE `  N
) )  ->  D  e.  ( EE `  N
) )
7 simpl32 1070 . . . . . . . . . . 11  |-  ( ( ( ( N  e.  NN  /\  A  e.  ( EE `  N
)  /\  B  e.  ( EE `  N ) )  /\  ( C  e.  ( EE `  N )  /\  D  e.  ( EE `  N
)  /\  E  e.  ( EE `  N ) )  /\  ( F  e.  ( EE `  N )  /\  G  e.  ( EE `  N
)  /\  H  e.  ( EE `  N ) ) )  /\  y  e.  ( EE `  N
) )  ->  G  e.  ( EE `  N
) )
8 simpl33 1071 . . . . . . . . . . 11  |-  ( ( ( ( N  e.  NN  /\  A  e.  ( EE `  N
)  /\  B  e.  ( EE `  N ) )  /\  ( C  e.  ( EE `  N )  /\  D  e.  ( EE `  N
)  /\  E  e.  ( EE `  N ) )  /\  ( F  e.  ( EE `  N )  /\  G  e.  ( EE `  N
)  /\  H  e.  ( EE `  N ) ) )  /\  y  e.  ( EE `  N
) )  ->  H  e.  ( EE `  N
) )
9 cgrxfr 28231 . . . . . . . . . . 11  |-  ( ( N  e.  NN  /\  ( C  e.  ( EE `  N )  /\  y  e.  ( EE `  N )  /\  D  e.  ( EE `  N
) )  /\  ( G  e.  ( EE `  N )  /\  H  e.  ( EE `  N
) ) )  -> 
( ( y  Btwn  <. C ,  D >.  /\ 
<. C ,  D >.Cgr <. G ,  H >. )  ->  E. z  e.  ( EE `  N ) ( z  Btwn  <. G ,  H >.  /\  <. C ,  <. y ,  D >. >.Cgr3 <. G ,  <. z ,  H >. >. ) ) )
103, 4, 5, 6, 7, 8, 9syl132anc 1237 . . . . . . . . . 10  |-  ( ( ( ( N  e.  NN  /\  A  e.  ( EE `  N
)  /\  B  e.  ( EE `  N ) )  /\  ( C  e.  ( EE `  N )  /\  D  e.  ( EE `  N
)  /\  E  e.  ( EE `  N ) )  /\  ( F  e.  ( EE `  N )  /\  G  e.  ( EE `  N
)  /\  H  e.  ( EE `  N ) ) )  /\  y  e.  ( EE `  N
) )  ->  (
( y  Btwn  <. C ,  D >.  /\  <. C ,  D >.Cgr <. G ,  H >. )  ->  E. z  e.  ( EE `  N
) ( z  Btwn  <. G ,  H >.  /\ 
<. C ,  <. y ,  D >. >.Cgr3 <. G ,  <. z ,  H >. >. )
) )
1110adantr 465 . . . . . . . . 9  |-  ( ( ( ( ( N  e.  NN  /\  A  e.  ( EE `  N
)  /\  B  e.  ( EE `  N ) )  /\  ( C  e.  ( EE `  N )  /\  D  e.  ( EE `  N
)  /\  E  e.  ( EE `  N ) )  /\  ( F  e.  ( EE `  N )  /\  G  e.  ( EE `  N
)  /\  H  e.  ( EE `  N ) ) )  /\  y  e.  ( EE `  N
) )  /\  (
( <. A ,  B >.Cgr
<. E ,  F >.  /\ 
<. C ,  D >.Cgr <. G ,  H >. )  /\  ( y  Btwn  <. C ,  D >.  /\ 
<. A ,  B >.Cgr <. C ,  y >. ) ) )  ->  (
( y  Btwn  <. C ,  D >.  /\  <. C ,  D >.Cgr <. G ,  H >. )  ->  E. z  e.  ( EE `  N
) ( z  Btwn  <. G ,  H >.  /\ 
<. C ,  <. y ,  D >. >.Cgr3 <. G ,  <. z ,  H >. >. )
) )
121, 2, 11mp2and 679 . . . . . . . 8  |-  ( ( ( ( ( N  e.  NN  /\  A  e.  ( EE `  N
)  /\  B  e.  ( EE `  N ) )  /\  ( C  e.  ( EE `  N )  /\  D  e.  ( EE `  N
)  /\  E  e.  ( EE `  N ) )  /\  ( F  e.  ( EE `  N )  /\  G  e.  ( EE `  N
)  /\  H  e.  ( EE `  N ) ) )  /\  y  e.  ( EE `  N
) )  /\  (
( <. A ,  B >.Cgr
<. E ,  F >.  /\ 
<. C ,  D >.Cgr <. G ,  H >. )  /\  ( y  Btwn  <. C ,  D >.  /\ 
<. A ,  B >.Cgr <. C ,  y >. ) ) )  ->  E. z  e.  ( EE `  N
) ( z  Btwn  <. G ,  H >.  /\ 
<. C ,  <. y ,  D >. >.Cgr3 <. G ,  <. z ,  H >. >. )
)
13 anass 649 . . . . . . . . . . 11  |-  ( ( ( ( ( N  e.  NN  /\  A  e.  ( EE `  N
)  /\  B  e.  ( EE `  N ) )  /\  ( C  e.  ( EE `  N )  /\  D  e.  ( EE `  N
)  /\  E  e.  ( EE `  N ) )  /\  ( F  e.  ( EE `  N )  /\  G  e.  ( EE `  N
)  /\  H  e.  ( EE `  N ) ) )  /\  y  e.  ( EE `  N
) )  /\  z  e.  ( EE `  N
) )  <->  ( (
( N  e.  NN  /\  A  e.  ( EE
`  N )  /\  B  e.  ( EE `  N ) )  /\  ( C  e.  ( EE `  N )  /\  D  e.  ( EE `  N )  /\  E  e.  ( EE `  N
) )  /\  ( F  e.  ( EE `  N )  /\  G  e.  ( EE `  N
)  /\  H  e.  ( EE `  N ) ) )  /\  (
y  e.  ( EE
`  N )  /\  z  e.  ( EE `  N ) ) ) )
14 simpl11 1063 . . . . . . . . . . . . . . 15  |-  ( ( ( ( N  e.  NN  /\  A  e.  ( EE `  N
)  /\  B  e.  ( EE `  N ) )  /\  ( C  e.  ( EE `  N )  /\  D  e.  ( EE `  N
)  /\  E  e.  ( EE `  N ) )  /\  ( F  e.  ( EE `  N )  /\  G  e.  ( EE `  N
)  /\  H  e.  ( EE `  N ) ) )  /\  (
y  e.  ( EE
`  N )  /\  z  e.  ( EE `  N ) ) )  ->  N  e.  NN )
15 simpl21 1066 . . . . . . . . . . . . . . 15  |-  ( ( ( ( N  e.  NN  /\  A  e.  ( EE `  N
)  /\  B  e.  ( EE `  N ) )  /\  ( C  e.  ( EE `  N )  /\  D  e.  ( EE `  N
)  /\  E  e.  ( EE `  N ) )  /\  ( F  e.  ( EE `  N )  /\  G  e.  ( EE `  N
)  /\  H  e.  ( EE `  N ) ) )  /\  (
y  e.  ( EE
`  N )  /\  z  e.  ( EE `  N ) ) )  ->  C  e.  ( EE `  N ) )
16 simprl 755 . . . . . . . . . . . . . . 15  |-  ( ( ( ( N  e.  NN  /\  A  e.  ( EE `  N
)  /\  B  e.  ( EE `  N ) )  /\  ( C  e.  ( EE `  N )  /\  D  e.  ( EE `  N
)  /\  E  e.  ( EE `  N ) )  /\  ( F  e.  ( EE `  N )  /\  G  e.  ( EE `  N
)  /\  H  e.  ( EE `  N ) ) )  /\  (
y  e.  ( EE
`  N )  /\  z  e.  ( EE `  N ) ) )  ->  y  e.  ( EE `  N ) )
17 simpl22 1067 . . . . . . . . . . . . . . 15  |-  ( ( ( ( N  e.  NN  /\  A  e.  ( EE `  N
)  /\  B  e.  ( EE `  N ) )  /\  ( C  e.  ( EE `  N )  /\  D  e.  ( EE `  N
)  /\  E  e.  ( EE `  N ) )  /\  ( F  e.  ( EE `  N )  /\  G  e.  ( EE `  N
)  /\  H  e.  ( EE `  N ) ) )  /\  (
y  e.  ( EE
`  N )  /\  z  e.  ( EE `  N ) ) )  ->  D  e.  ( EE `  N ) )
18 simpl32 1070 . . . . . . . . . . . . . . 15  |-  ( ( ( ( N  e.  NN  /\  A  e.  ( EE `  N
)  /\  B  e.  ( EE `  N ) )  /\  ( C  e.  ( EE `  N )  /\  D  e.  ( EE `  N
)  /\  E  e.  ( EE `  N ) )  /\  ( F  e.  ( EE `  N )  /\  G  e.  ( EE `  N
)  /\  H  e.  ( EE `  N ) ) )  /\  (
y  e.  ( EE
`  N )  /\  z  e.  ( EE `  N ) ) )  ->  G  e.  ( EE `  N ) )
19 simprr 756 . . . . . . . . . . . . . . 15  |-  ( ( ( ( N  e.  NN  /\  A  e.  ( EE `  N
)  /\  B  e.  ( EE `  N ) )  /\  ( C  e.  ( EE `  N )  /\  D  e.  ( EE `  N
)  /\  E  e.  ( EE `  N ) )  /\  ( F  e.  ( EE `  N )  /\  G  e.  ( EE `  N
)  /\  H  e.  ( EE `  N ) ) )  /\  (
y  e.  ( EE
`  N )  /\  z  e.  ( EE `  N ) ) )  ->  z  e.  ( EE `  N ) )
20 simpl33 1071 . . . . . . . . . . . . . . 15  |-  ( ( ( ( N  e.  NN  /\  A  e.  ( EE `  N
)  /\  B  e.  ( EE `  N ) )  /\  ( C  e.  ( EE `  N )  /\  D  e.  ( EE `  N
)  /\  E  e.  ( EE `  N ) )  /\  ( F  e.  ( EE `  N )  /\  G  e.  ( EE `  N
)  /\  H  e.  ( EE `  N ) ) )  /\  (
y  e.  ( EE
`  N )  /\  z  e.  ( EE `  N ) ) )  ->  H  e.  ( EE `  N ) )
21 brcgr3 28222 . . . . . . . . . . . . . . 15  |-  ( ( N  e.  NN  /\  ( C  e.  ( EE `  N )  /\  y  e.  ( EE `  N )  /\  D  e.  ( EE `  N
) )  /\  ( G  e.  ( EE `  N )  /\  z  e.  ( EE `  N
)  /\  H  e.  ( EE `  N ) ) )  ->  ( <. C ,  <. y ,  D >. >.Cgr3 <. G ,  <. z ,  H >. >.  <->  ( <. C ,  y >.Cgr <. G , 
z >.  /\  <. C ,  D >.Cgr <. G ,  H >.  /\  <. y ,  D >.Cgr
<. z ,  H >. ) ) )
2214, 15, 16, 17, 18, 19, 20, 21syl133anc 1242 . . . . . . . . . . . . . 14  |-  ( ( ( ( N  e.  NN  /\  A  e.  ( EE `  N
)  /\  B  e.  ( EE `  N ) )  /\  ( C  e.  ( EE `  N )  /\  D  e.  ( EE `  N
)  /\  E  e.  ( EE `  N ) )  /\  ( F  e.  ( EE `  N )  /\  G  e.  ( EE `  N
)  /\  H  e.  ( EE `  N ) ) )  /\  (
y  e.  ( EE
`  N )  /\  z  e.  ( EE `  N ) ) )  ->  ( <. C ,  <. y ,  D >. >.Cgr3 <. G ,  <. z ,  H >. >. 
<->  ( <. C ,  y
>.Cgr <. G ,  z
>.  /\  <. C ,  D >.Cgr
<. G ,  H >.  /\ 
<. y ,  D >.Cgr <.
z ,  H >. ) ) )
2322adantr 465 . . . . . . . . . . . . 13  |-  ( ( ( ( ( N  e.  NN  /\  A  e.  ( EE `  N
)  /\  B  e.  ( EE `  N ) )  /\  ( C  e.  ( EE `  N )  /\  D  e.  ( EE `  N
)  /\  E  e.  ( EE `  N ) )  /\  ( F  e.  ( EE `  N )  /\  G  e.  ( EE `  N
)  /\  H  e.  ( EE `  N ) ) )  /\  (
y  e.  ( EE
`  N )  /\  z  e.  ( EE `  N ) ) )  /\  ( ( <. A ,  B >.Cgr <. E ,  F >.  /\ 
<. C ,  D >.Cgr <. G ,  H >. )  /\  ( y  Btwn  <. C ,  D >.  /\ 
<. A ,  B >.Cgr <. C ,  y >. ) ) )  ->  ( <. C ,  <. y ,  D >. >.Cgr3 <. G ,  <. z ,  H >. >.  <->  ( <. C ,  y >.Cgr <. G , 
z >.  /\  <. C ,  D >.Cgr <. G ,  H >.  /\  <. y ,  D >.Cgr
<. z ,  H >. ) ) )
24 df-3an 967 . . . . . . . . . . . . . . 15  |-  ( ( ( <. A ,  B >.Cgr
<. E ,  F >.  /\ 
<. C ,  D >.Cgr <. G ,  H >. )  /\  ( y  Btwn  <. C ,  D >.  /\ 
<. A ,  B >.Cgr <. C ,  y >. )  /\  ( <. C , 
y >.Cgr <. G ,  z
>.  /\  <. C ,  D >.Cgr
<. G ,  H >.  /\ 
<. y ,  D >.Cgr <.
z ,  H >. ) )  <->  ( ( (
<. A ,  B >.Cgr <. E ,  F >.  /\ 
<. C ,  D >.Cgr <. G ,  H >. )  /\  ( y  Btwn  <. C ,  D >.  /\ 
<. A ,  B >.Cgr <. C ,  y >. ) )  /\  ( <. C ,  y >.Cgr <. G ,  z >.  /\ 
<. C ,  D >.Cgr <. G ,  H >.  /\ 
<. y ,  D >.Cgr <.
z ,  H >. ) ) )
25 simpl23 1068 . . . . . . . . . . . . . . . 16  |-  ( ( ( ( N  e.  NN  /\  A  e.  ( EE `  N
)  /\  B  e.  ( EE `  N ) )  /\  ( C  e.  ( EE `  N )  /\  D  e.  ( EE `  N
)  /\  E  e.  ( EE `  N ) )  /\  ( F  e.  ( EE `  N )  /\  G  e.  ( EE `  N
)  /\  H  e.  ( EE `  N ) ) )  /\  (
y  e.  ( EE
`  N )  /\  z  e.  ( EE `  N ) ) )  ->  E  e.  ( EE `  N ) )
26 simpl31 1069 . . . . . . . . . . . . . . . 16  |-  ( ( ( ( N  e.  NN  /\  A  e.  ( EE `  N
)  /\  B  e.  ( EE `  N ) )  /\  ( C  e.  ( EE `  N )  /\  D  e.  ( EE `  N
)  /\  E  e.  ( EE `  N ) )  /\  ( F  e.  ( EE `  N )  /\  G  e.  ( EE `  N
)  /\  H  e.  ( EE `  N ) ) )  /\  (
y  e.  ( EE
`  N )  /\  z  e.  ( EE `  N ) ) )  ->  F  e.  ( EE `  N ) )
27 simpl12 1064 . . . . . . . . . . . . . . . . 17  |-  ( ( ( ( N  e.  NN  /\  A  e.  ( EE `  N
)  /\  B  e.  ( EE `  N ) )  /\  ( C  e.  ( EE `  N )  /\  D  e.  ( EE `  N
)  /\  E  e.  ( EE `  N ) )  /\  ( F  e.  ( EE `  N )  /\  G  e.  ( EE `  N
)  /\  H  e.  ( EE `  N ) ) )  /\  (
y  e.  ( EE
`  N )  /\  z  e.  ( EE `  N ) ) )  ->  A  e.  ( EE `  N ) )
28 simpl13 1065 . . . . . . . . . . . . . . . . 17  |-  ( ( ( ( N  e.  NN  /\  A  e.  ( EE `  N
)  /\  B  e.  ( EE `  N ) )  /\  ( C  e.  ( EE `  N )  /\  D  e.  ( EE `  N
)  /\  E  e.  ( EE `  N ) )  /\  ( F  e.  ( EE `  N )  /\  G  e.  ( EE `  N
)  /\  H  e.  ( EE `  N ) ) )  /\  (
y  e.  ( EE
`  N )  /\  z  e.  ( EE `  N ) ) )  ->  B  e.  ( EE `  N ) )
29 simpr1l 1045 . . . . . . . . . . . . . . . . 17  |-  ( ( ( ( ( N  e.  NN  /\  A  e.  ( EE `  N
)  /\  B  e.  ( EE `  N ) )  /\  ( C  e.  ( EE `  N )  /\  D  e.  ( EE `  N
)  /\  E  e.  ( EE `  N ) )  /\  ( F  e.  ( EE `  N )  /\  G  e.  ( EE `  N
)  /\  H  e.  ( EE `  N ) ) )  /\  (
y  e.  ( EE
`  N )  /\  z  e.  ( EE `  N ) ) )  /\  ( ( <. A ,  B >.Cgr <. E ,  F >.  /\ 
<. C ,  D >.Cgr <. G ,  H >. )  /\  ( y  Btwn  <. C ,  D >.  /\ 
<. A ,  B >.Cgr <. C ,  y >. )  /\  ( <. C , 
y >.Cgr <. G ,  z
>.  /\  <. C ,  D >.Cgr
<. G ,  H >.  /\ 
<. y ,  D >.Cgr <.
z ,  H >. ) ) )  ->  <. A ,  B >.Cgr <. E ,  F >. )
30 simpr2r 1048 . . . . . . . . . . . . . . . . 17  |-  ( ( ( ( ( N  e.  NN  /\  A  e.  ( EE `  N
)  /\  B  e.  ( EE `  N ) )  /\  ( C  e.  ( EE `  N )  /\  D  e.  ( EE `  N
)  /\  E  e.  ( EE `  N ) )  /\  ( F  e.  ( EE `  N )  /\  G  e.  ( EE `  N
)  /\  H  e.  ( EE `  N ) ) )  /\  (
y  e.  ( EE
`  N )  /\  z  e.  ( EE `  N ) ) )  /\  ( ( <. A ,  B >.Cgr <. E ,  F >.  /\ 
<. C ,  D >.Cgr <. G ,  H >. )  /\  ( y  Btwn  <. C ,  D >.  /\ 
<. A ,  B >.Cgr <. C ,  y >. )  /\  ( <. C , 
y >.Cgr <. G ,  z
>.  /\  <. C ,  D >.Cgr
<. G ,  H >.  /\ 
<. y ,  D >.Cgr <.
z ,  H >. ) ) )  ->  <. A ,  B >.Cgr <. C ,  y
>. )
3114, 27, 28, 25, 26, 15, 16, 29, 30cgrtr4and 28162 . . . . . . . . . . . . . . . 16  |-  ( ( ( ( ( N  e.  NN  /\  A  e.  ( EE `  N
)  /\  B  e.  ( EE `  N ) )  /\  ( C  e.  ( EE `  N )  /\  D  e.  ( EE `  N
)  /\  E  e.  ( EE `  N ) )  /\  ( F  e.  ( EE `  N )  /\  G  e.  ( EE `  N
)  /\  H  e.  ( EE `  N ) ) )  /\  (
y  e.  ( EE
`  N )  /\  z  e.  ( EE `  N ) ) )  /\  ( ( <. A ,  B >.Cgr <. E ,  F >.  /\ 
<. C ,  D >.Cgr <. G ,  H >. )  /\  ( y  Btwn  <. C ,  D >.  /\ 
<. A ,  B >.Cgr <. C ,  y >. )  /\  ( <. C , 
y >.Cgr <. G ,  z
>.  /\  <. C ,  D >.Cgr
<. G ,  H >.  /\ 
<. y ,  D >.Cgr <.
z ,  H >. ) ) )  ->  <. E ,  F >.Cgr <. C ,  y
>. )
32 simpr31 1078 . . . . . . . . . . . . . . . 16  |-  ( ( ( ( ( N  e.  NN  /\  A  e.  ( EE `  N
)  /\  B  e.  ( EE `  N ) )  /\  ( C  e.  ( EE `  N )  /\  D  e.  ( EE `  N
)  /\  E  e.  ( EE `  N ) )  /\  ( F  e.  ( EE `  N )  /\  G  e.  ( EE `  N
)  /\  H  e.  ( EE `  N ) ) )  /\  (
y  e.  ( EE
`  N )  /\  z  e.  ( EE `  N ) ) )  /\  ( ( <. A ,  B >.Cgr <. E ,  F >.  /\ 
<. C ,  D >.Cgr <. G ,  H >. )  /\  ( y  Btwn  <. C ,  D >.  /\ 
<. A ,  B >.Cgr <. C ,  y >. )  /\  ( <. C , 
y >.Cgr <. G ,  z
>.  /\  <. C ,  D >.Cgr
<. G ,  H >.  /\ 
<. y ,  D >.Cgr <.
z ,  H >. ) ) )  ->  <. C , 
y >.Cgr <. G ,  z
>. )
3314, 25, 26, 15, 16, 18, 19, 31, 32cgrtrand 28169 . . . . . . . . . . . . . . 15  |-  ( ( ( ( ( N  e.  NN  /\  A  e.  ( EE `  N
)  /\  B  e.  ( EE `  N ) )  /\  ( C  e.  ( EE `  N )  /\  D  e.  ( EE `  N
)  /\  E  e.  ( EE `  N ) )  /\  ( F  e.  ( EE `  N )  /\  G  e.  ( EE `  N
)  /\  H  e.  ( EE `  N ) ) )  /\  (
y  e.  ( EE
`  N )  /\  z  e.  ( EE `  N ) ) )  /\  ( ( <. A ,  B >.Cgr <. E ,  F >.  /\ 
<. C ,  D >.Cgr <. G ,  H >. )  /\  ( y  Btwn  <. C ,  D >.  /\ 
<. A ,  B >.Cgr <. C ,  y >. )  /\  ( <. C , 
y >.Cgr <. G ,  z
>.  /\  <. C ,  D >.Cgr
<. G ,  H >.  /\ 
<. y ,  D >.Cgr <.
z ,  H >. ) ) )  ->  <. E ,  F >.Cgr <. G ,  z
>. )
3424, 33sylan2br 476 . . . . . . . . . . . . . 14  |-  ( ( ( ( ( N  e.  NN  /\  A  e.  ( EE `  N
)  /\  B  e.  ( EE `  N ) )  /\  ( C  e.  ( EE `  N )  /\  D  e.  ( EE `  N
)  /\  E  e.  ( EE `  N ) )  /\  ( F  e.  ( EE `  N )  /\  G  e.  ( EE `  N
)  /\  H  e.  ( EE `  N ) ) )  /\  (
y  e.  ( EE
`  N )  /\  z  e.  ( EE `  N ) ) )  /\  ( ( (
<. A ,  B >.Cgr <. E ,  F >.  /\ 
<. C ,  D >.Cgr <. G ,  H >. )  /\  ( y  Btwn  <. C ,  D >.  /\ 
<. A ,  B >.Cgr <. C ,  y >. ) )  /\  ( <. C ,  y >.Cgr <. G ,  z >.  /\ 
<. C ,  D >.Cgr <. G ,  H >.  /\ 
<. y ,  D >.Cgr <.
z ,  H >. ) ) )  ->  <. E ,  F >.Cgr <. G ,  z
>. )
3534expr 615 . . . . . . . . . . . . 13  |-  ( ( ( ( ( N  e.  NN  /\  A  e.  ( EE `  N
)  /\  B  e.  ( EE `  N ) )  /\  ( C  e.  ( EE `  N )  /\  D  e.  ( EE `  N
)  /\  E  e.  ( EE `  N ) )  /\  ( F  e.  ( EE `  N )  /\  G  e.  ( EE `  N
)  /\  H  e.  ( EE `  N ) ) )  /\  (
y  e.  ( EE
`  N )  /\  z  e.  ( EE `  N ) ) )  /\  ( ( <. A ,  B >.Cgr <. E ,  F >.  /\ 
<. C ,  D >.Cgr <. G ,  H >. )  /\  ( y  Btwn  <. C ,  D >.  /\ 
<. A ,  B >.Cgr <. C ,  y >. ) ) )  ->  (
( <. C ,  y
>.Cgr <. G ,  z
>.  /\  <. C ,  D >.Cgr
<. G ,  H >.  /\ 
<. y ,  D >.Cgr <.
z ,  H >. )  ->  <. E ,  F >.Cgr
<. G ,  z >.
) )
3623, 35sylbid 215 . . . . . . . . . . . 12  |-  ( ( ( ( ( N  e.  NN  /\  A  e.  ( EE `  N
)  /\  B  e.  ( EE `  N ) )  /\  ( C  e.  ( EE `  N )  /\  D  e.  ( EE `  N
)  /\  E  e.  ( EE `  N ) )  /\  ( F  e.  ( EE `  N )  /\  G  e.  ( EE `  N
)  /\  H  e.  ( EE `  N ) ) )  /\  (
y  e.  ( EE
`  N )  /\  z  e.  ( EE `  N ) ) )  /\  ( ( <. A ,  B >.Cgr <. E ,  F >.  /\ 
<. C ,  D >.Cgr <. G ,  H >. )  /\  ( y  Btwn  <. C ,  D >.  /\ 
<. A ,  B >.Cgr <. C ,  y >. ) ) )  ->  ( <. C ,  <. y ,  D >. >.Cgr3 <. G ,  <. z ,  H >. >.  ->  <. E ,  F >.Cgr <. G ,  z
>. ) )
3736anim2d 565 . . . . . . . . . . 11  |-  ( ( ( ( ( N  e.  NN  /\  A  e.  ( EE `  N
)  /\  B  e.  ( EE `  N ) )  /\  ( C  e.  ( EE `  N )  /\  D  e.  ( EE `  N
)  /\  E  e.  ( EE `  N ) )  /\  ( F  e.  ( EE `  N )  /\  G  e.  ( EE `  N
)  /\  H  e.  ( EE `  N ) ) )  /\  (
y  e.  ( EE
`  N )  /\  z  e.  ( EE `  N ) ) )  /\  ( ( <. A ,  B >.Cgr <. E ,  F >.  /\ 
<. C ,  D >.Cgr <. G ,  H >. )  /\  ( y  Btwn  <. C ,  D >.  /\ 
<. A ,  B >.Cgr <. C ,  y >. ) ) )  ->  (
( z  Btwn  <. G ,  H >.  /\  <. C ,  <. y ,  D >. >.Cgr3 <. G ,  <. z ,  H >. >. )  ->  (
z  Btwn  <. G ,  H >.  /\  <. E ,  F >.Cgr <. G ,  z
>. ) ) )
3813, 37sylanb 472 . . . . . . . . . 10  |-  ( ( ( ( ( ( N  e.  NN  /\  A  e.  ( EE `  N )  /\  B  e.  ( EE `  N
) )  /\  ( C  e.  ( EE `  N )  /\  D  e.  ( EE `  N
)  /\  E  e.  ( EE `  N ) )  /\  ( F  e.  ( EE `  N )  /\  G  e.  ( EE `  N
)  /\  H  e.  ( EE `  N ) ) )  /\  y  e.  ( EE `  N
) )  /\  z  e.  ( EE `  N
) )  /\  (
( <. A ,  B >.Cgr
<. E ,  F >.  /\ 
<. C ,  D >.Cgr <. G ,  H >. )  /\  ( y  Btwn  <. C ,  D >.  /\ 
<. A ,  B >.Cgr <. C ,  y >. ) ) )  ->  (
( z  Btwn  <. G ,  H >.  /\  <. C ,  <. y ,  D >. >.Cgr3 <. G ,  <. z ,  H >. >. )  ->  (
z  Btwn  <. G ,  H >.  /\  <. E ,  F >.Cgr <. G ,  z
>. ) ) )
3938an32s 802 . . . . . . . . 9  |-  ( ( ( ( ( ( N  e.  NN  /\  A  e.  ( EE `  N )  /\  B  e.  ( EE `  N
) )  /\  ( C  e.  ( EE `  N )  /\  D  e.  ( EE `  N
)  /\  E  e.  ( EE `  N ) )  /\  ( F  e.  ( EE `  N )  /\  G  e.  ( EE `  N
)  /\  H  e.  ( EE `  N ) ) )  /\  y  e.  ( EE `  N
) )  /\  (
( <. A ,  B >.Cgr
<. E ,  F >.  /\ 
<. C ,  D >.Cgr <. G ,  H >. )  /\  ( y  Btwn  <. C ,  D >.  /\ 
<. A ,  B >.Cgr <. C ,  y >. ) ) )  /\  z  e.  ( EE `  N
) )  ->  (
( z  Btwn  <. G ,  H >.  /\  <. C ,  <. y ,  D >. >.Cgr3 <. G ,  <. z ,  H >. >. )  ->  (
z  Btwn  <. G ,  H >.  /\  <. E ,  F >.Cgr <. G ,  z
>. ) ) )
4039reximdva 2934 . . . . . . . 8  |-  ( ( ( ( ( N  e.  NN  /\  A  e.  ( EE `  N
)  /\  B  e.  ( EE `  N ) )  /\  ( C  e.  ( EE `  N )  /\  D  e.  ( EE `  N
)  /\  E  e.  ( EE `  N ) )  /\  ( F  e.  ( EE `  N )  /\  G  e.  ( EE `  N
)  /\  H  e.  ( EE `  N ) ) )  /\  y  e.  ( EE `  N
) )  /\  (
( <. A ,  B >.Cgr
<. E ,  F >.  /\ 
<. C ,  D >.Cgr <. G ,  H >. )  /\  ( y  Btwn  <. C ,  D >.  /\ 
<. A ,  B >.Cgr <. C ,  y >. ) ) )  ->  ( E. z  e.  ( EE `  N ) ( z  Btwn  <. G ,  H >.  /\  <. C ,  <. y ,  D >. >.Cgr3 <. G ,  <. z ,  H >. >. )  ->  E. z  e.  ( EE `  N
) ( z  Btwn  <. G ,  H >.  /\ 
<. E ,  F >.Cgr <. G ,  z >. ) ) )
4112, 40mpd 15 . . . . . . 7  |-  ( ( ( ( ( N  e.  NN  /\  A  e.  ( EE `  N
)  /\  B  e.  ( EE `  N ) )  /\  ( C  e.  ( EE `  N )  /\  D  e.  ( EE `  N
)  /\  E  e.  ( EE `  N ) )  /\  ( F  e.  ( EE `  N )  /\  G  e.  ( EE `  N
)  /\  H  e.  ( EE `  N ) ) )  /\  y  e.  ( EE `  N
) )  /\  (
( <. A ,  B >.Cgr
<. E ,  F >.  /\ 
<. C ,  D >.Cgr <. G ,  H >. )  /\  ( y  Btwn  <. C ,  D >.  /\ 
<. A ,  B >.Cgr <. C ,  y >. ) ) )  ->  E. z  e.  ( EE `  N
) ( z  Btwn  <. G ,  H >.  /\ 
<. E ,  F >.Cgr <. G ,  z >. ) )
4241expr 615 . . . . . 6  |-  ( ( ( ( ( N  e.  NN  /\  A  e.  ( EE `  N
)  /\  B  e.  ( EE `  N ) )  /\  ( C  e.  ( EE `  N )  /\  D  e.  ( EE `  N
)  /\  E  e.  ( EE `  N ) )  /\  ( F  e.  ( EE `  N )  /\  G  e.  ( EE `  N
)  /\  H  e.  ( EE `  N ) ) )  /\  y  e.  ( EE `  N
) )  /\  ( <. A ,  B >.Cgr <. E ,  F >.  /\ 
<. C ,  D >.Cgr <. G ,  H >. ) )  ->  ( (
y  Btwn  <. C ,  D >.  /\  <. A ,  B >.Cgr <. C ,  y
>. )  ->  E. z  e.  ( EE `  N
) ( z  Btwn  <. G ,  H >.  /\ 
<. E ,  F >.Cgr <. G ,  z >. ) ) )
4342an32s 802 . . . . 5  |-  ( ( ( ( ( N  e.  NN  /\  A  e.  ( EE `  N
)  /\  B  e.  ( EE `  N ) )  /\  ( C  e.  ( EE `  N )  /\  D  e.  ( EE `  N
)  /\  E  e.  ( EE `  N ) )  /\  ( F  e.  ( EE `  N )  /\  G  e.  ( EE `  N
)  /\  H  e.  ( EE `  N ) ) )  /\  ( <. A ,  B >.Cgr <. E ,  F >.  /\ 
<. C ,  D >.Cgr <. G ,  H >. ) )  /\  y  e.  ( EE `  N
) )  ->  (
( y  Btwn  <. C ,  D >.  /\  <. A ,  B >.Cgr <. C ,  y
>. )  ->  E. z  e.  ( EE `  N
) ( z  Btwn  <. G ,  H >.  /\ 
<. E ,  F >.Cgr <. G ,  z >. ) ) )
4443rexlimdva 2947 . . . 4  |-  ( ( ( ( N  e.  NN  /\  A  e.  ( EE `  N
)  /\  B  e.  ( EE `  N ) )  /\  ( C  e.  ( EE `  N )  /\  D  e.  ( EE `  N
)  /\  E  e.  ( EE `  N ) )  /\  ( F  e.  ( EE `  N )  /\  G  e.  ( EE `  N
)  /\  H  e.  ( EE `  N ) ) )  /\  ( <. A ,  B >.Cgr <. E ,  F >.  /\ 
<. C ,  D >.Cgr <. G ,  H >. ) )  ->  ( E. y  e.  ( EE `  N ) ( y 
Btwn  <. C ,  D >.  /\  <. A ,  B >.Cgr
<. C ,  y >.
)  ->  E. z  e.  ( EE `  N
) ( z  Btwn  <. G ,  H >.  /\ 
<. E ,  F >.Cgr <. G ,  z >. ) ) )
45 simp11 1018 . . . . . 6  |-  ( ( ( N  e.  NN  /\  A  e.  ( EE
`  N )  /\  B  e.  ( EE `  N ) )  /\  ( C  e.  ( EE `  N )  /\  D  e.  ( EE `  N )  /\  E  e.  ( EE `  N
) )  /\  ( F  e.  ( EE `  N )  /\  G  e.  ( EE `  N
)  /\  H  e.  ( EE `  N ) ) )  ->  N  e.  NN )
46 simp12 1019 . . . . . 6  |-  ( ( ( N  e.  NN  /\  A  e.  ( EE
`  N )  /\  B  e.  ( EE `  N ) )  /\  ( C  e.  ( EE `  N )  /\  D  e.  ( EE `  N )  /\  E  e.  ( EE `  N
) )  /\  ( F  e.  ( EE `  N )  /\  G  e.  ( EE `  N
)  /\  H  e.  ( EE `  N ) ) )  ->  A  e.  ( EE `  N
) )
47 simp13 1020 . . . . . 6  |-  ( ( ( N  e.  NN  /\  A  e.  ( EE
`  N )  /\  B  e.  ( EE `  N ) )  /\  ( C  e.  ( EE `  N )  /\  D  e.  ( EE `  N )  /\  E  e.  ( EE `  N
) )  /\  ( F  e.  ( EE `  N )  /\  G  e.  ( EE `  N
)  /\  H  e.  ( EE `  N ) ) )  ->  B  e.  ( EE `  N
) )
48 simp21 1021 . . . . . 6  |-  ( ( ( N  e.  NN  /\  A  e.  ( EE
`  N )  /\  B  e.  ( EE `  N ) )  /\  ( C  e.  ( EE `  N )  /\  D  e.  ( EE `  N )  /\  E  e.  ( EE `  N
) )  /\  ( F  e.  ( EE `  N )  /\  G  e.  ( EE `  N
)  /\  H  e.  ( EE `  N ) ) )  ->  C  e.  ( EE `  N
) )
49 simp22 1022 . . . . . 6  |-  ( ( ( N  e.  NN  /\  A  e.  ( EE
`  N )  /\  B  e.  ( EE `  N ) )  /\  ( C  e.  ( EE `  N )  /\  D  e.  ( EE `  N )  /\  E  e.  ( EE `  N
) )  /\  ( F  e.  ( EE `  N )  /\  G  e.  ( EE `  N
)  /\  H  e.  ( EE `  N ) ) )  ->  D  e.  ( EE `  N
) )
50 brsegle 28284 . . . . . 6  |-  ( ( N  e.  NN  /\  ( A  e.  ( EE `  N )  /\  B  e.  ( EE `  N ) )  /\  ( C  e.  ( EE `  N )  /\  D  e.  ( EE `  N ) ) )  ->  ( <. A ,  B >.  Seg<_  <. C ,  D >.  <->  E. y  e.  ( EE `  N ) ( y  Btwn  <. C ,  D >.  /\  <. A ,  B >.Cgr <. C ,  y
>. ) ) )
5145, 46, 47, 48, 49, 50syl122anc 1228 . . . . 5  |-  ( ( ( N  e.  NN  /\  A  e.  ( EE
`  N )  /\  B  e.  ( EE `  N ) )  /\  ( C  e.  ( EE `  N )  /\  D  e.  ( EE `  N )  /\  E  e.  ( EE `  N
) )  /\  ( F  e.  ( EE `  N )  /\  G  e.  ( EE `  N
)  /\  H  e.  ( EE `  N ) ) )  ->  ( <. A ,  B >.  Seg<_  <. C ,  D >.  <->  E. y  e.  ( EE `  N ) ( y 
Btwn  <. C ,  D >.  /\  <. A ,  B >.Cgr
<. C ,  y >.
) ) )
5251adantr 465 . . . 4  |-  ( ( ( ( N  e.  NN  /\  A  e.  ( EE `  N
)  /\  B  e.  ( EE `  N ) )  /\  ( C  e.  ( EE `  N )  /\  D  e.  ( EE `  N
)  /\  E  e.  ( EE `  N ) )  /\  ( F  e.  ( EE `  N )  /\  G  e.  ( EE `  N
)  /\  H  e.  ( EE `  N ) ) )  /\  ( <. A ,  B >.Cgr <. E ,  F >.  /\ 
<. C ,  D >.Cgr <. G ,  H >. ) )  ->  ( <. A ,  B >.  Seg<_  <. C ,  D >. 
<->  E. y  e.  ( EE `  N ) ( y  Btwn  <. C ,  D >.  /\  <. A ,  B >.Cgr <. C ,  y
>. ) ) )
53 simp23 1023 . . . . . 6  |-  ( ( ( N  e.  NN  /\  A  e.  ( EE
`  N )  /\  B  e.  ( EE `  N ) )  /\  ( C  e.  ( EE `  N )  /\  D  e.  ( EE `  N )  /\  E  e.  ( EE `  N
) )  /\  ( F  e.  ( EE `  N )  /\  G  e.  ( EE `  N
)  /\  H  e.  ( EE `  N ) ) )  ->  E  e.  ( EE `  N
) )
54 simp31 1024 . . . . . 6  |-  ( ( ( N  e.  NN  /\  A  e.  ( EE
`  N )  /\  B  e.  ( EE `  N ) )  /\  ( C  e.  ( EE `  N )  /\  D  e.  ( EE `  N )  /\  E  e.  ( EE `  N
) )  /\  ( F  e.  ( EE `  N )  /\  G  e.  ( EE `  N
)  /\  H  e.  ( EE `  N ) ) )  ->  F  e.  ( EE `  N
) )
55 simp32 1025 . . . . . 6  |-  ( ( ( N  e.  NN  /\  A  e.  ( EE
`  N )  /\  B  e.  ( EE `  N ) )  /\  ( C  e.  ( EE `  N )  /\  D  e.  ( EE `  N )  /\  E  e.  ( EE `  N
) )  /\  ( F  e.  ( EE `  N )  /\  G  e.  ( EE `  N
)  /\  H  e.  ( EE `  N ) ) )  ->  G  e.  ( EE `  N
) )
56 simp33 1026 . . . . . 6  |-  ( ( ( N  e.  NN  /\  A  e.  ( EE
`  N )  /\  B  e.  ( EE `  N ) )  /\  ( C  e.  ( EE `  N )  /\  D  e.  ( EE `  N )  /\  E  e.  ( EE `  N
) )  /\  ( F  e.  ( EE `  N )  /\  G  e.  ( EE `  N
)  /\  H  e.  ( EE `  N ) ) )  ->  H  e.  ( EE `  N
) )
57 brsegle 28284 . . . . . 6  |-  ( ( N  e.  NN  /\  ( E  e.  ( EE `  N )  /\  F  e.  ( EE `  N ) )  /\  ( G  e.  ( EE `  N )  /\  H  e.  ( EE `  N ) ) )  ->  ( <. E ,  F >.  Seg<_  <. G ,  H >.  <->  E. z  e.  ( EE `  N ) ( z  Btwn  <. G ,  H >.  /\  <. E ,  F >.Cgr <. G ,  z
>. ) ) )
5845, 53, 54, 55, 56, 57syl122anc 1228 . . . . 5  |-  ( ( ( N  e.  NN  /\  A  e.  ( EE
`  N )  /\  B  e.  ( EE `  N ) )  /\  ( C  e.  ( EE `  N )  /\  D  e.  ( EE `  N )  /\  E  e.  ( EE `  N
) )  /\  ( F  e.  ( EE `  N )  /\  G  e.  ( EE `  N
)  /\  H  e.  ( EE `  N ) ) )  ->  ( <. E ,  F >.  Seg<_  <. G ,  H >.  <->  E. z  e.  ( EE `  N ) ( z 
Btwn  <. G ,  H >.  /\  <. E ,  F >.Cgr
<. G ,  z >.
) ) )
5958adantr 465 . . . 4  |-  ( ( ( ( N  e.  NN  /\  A  e.  ( EE `  N
)  /\  B  e.  ( EE `  N ) )  /\  ( C  e.  ( EE `  N )  /\  D  e.  ( EE `  N
)  /\  E  e.  ( EE `  N ) )  /\  ( F  e.  ( EE `  N )  /\  G  e.  ( EE `  N
)  /\  H  e.  ( EE `  N ) ) )  /\  ( <. A ,  B >.Cgr <. E ,  F >.  /\ 
<. C ,  D >.Cgr <. G ,  H >. ) )  ->  ( <. E ,  F >.  Seg<_  <. G ,  H >. 
<->  E. z  e.  ( EE `  N ) ( z  Btwn  <. G ,  H >.  /\  <. E ,  F >.Cgr <. G ,  z
>. ) ) )
6044, 52, 593imtr4d 268 . . 3  |-  ( ( ( ( N  e.  NN  /\  A  e.  ( EE `  N
)  /\  B  e.  ( EE `  N ) )  /\  ( C  e.  ( EE `  N )  /\  D  e.  ( EE `  N
)  /\  E  e.  ( EE `  N ) )  /\  ( F  e.  ( EE `  N )  /\  G  e.  ( EE `  N
)  /\  H  e.  ( EE `  N ) ) )  /\  ( <. A ,  B >.Cgr <. E ,  F >.  /\ 
<. C ,  D >.Cgr <. G ,  H >. ) )  ->  ( <. A ,  B >.  Seg<_  <. C ,  D >.  ->  <. E ,  F >.  Seg<_  <. G ,  H >. ) )
6160exp32 605 . 2  |-  ( ( ( N  e.  NN  /\  A  e.  ( EE
`  N )  /\  B  e.  ( EE `  N ) )  /\  ( C  e.  ( EE `  N )  /\  D  e.  ( EE `  N )  /\  E  e.  ( EE `  N
) )  /\  ( F  e.  ( EE `  N )  /\  G  e.  ( EE `  N
)  /\  H  e.  ( EE `  N ) ) )  ->  ( <. A ,  B >.Cgr <. E ,  F >.  -> 
( <. C ,  D >.Cgr
<. G ,  H >.  -> 
( <. A ,  B >. 
Seg<_ 
<. C ,  D >.  ->  <. E ,  F >.  Seg<_  <. G ,  H >. ) ) ) )
62613impd 1202 1  |-  ( ( ( N  e.  NN  /\  A  e.  ( EE
`  N )  /\  B  e.  ( EE `  N ) )  /\  ( C  e.  ( EE `  N )  /\  D  e.  ( EE `  N )  /\  E  e.  ( EE `  N
) )  /\  ( F  e.  ( EE `  N )  /\  G  e.  ( EE `  N
)  /\  H  e.  ( EE `  N ) ) )  ->  (
( <. A ,  B >.Cgr
<. E ,  F >.  /\ 
<. C ,  D >.Cgr <. G ,  H >.  /\ 
<. A ,  B >.  Seg<_  <. C ,  D >. )  ->  <. E ,  F >. 
Seg<_ 
<. G ,  H >. ) )
Colors of variables: wff setvar class
Syntax hints:    -> wi 4    <-> wb 184    /\ wa 369    /\ w3a 965    e. wcel 1758   E.wrex 2800   <.cop 3992   class class class wbr 4401   ` cfv 5527   NNcn 10434   EEcee 23287    Btwn cbtwn 23288  Cgrccgr 23289  Cgr3ccgr3 28212    Seg<_ csegle 28282
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1592  ax-4 1603  ax-5 1671  ax-6 1710  ax-7 1730  ax-8 1760  ax-9 1762  ax-10 1777  ax-11 1782  ax-12 1794  ax-13 1955  ax-ext 2432  ax-rep 4512  ax-sep 4522  ax-nul 4530  ax-pow 4579  ax-pr 4640  ax-un 6483  ax-inf2 7959  ax-cnex 9450  ax-resscn 9451  ax-1cn 9452  ax-icn 9453  ax-addcl 9454  ax-addrcl 9455  ax-mulcl 9456  ax-mulrcl 9457  ax-mulcom 9458  ax-addass 9459  ax-mulass 9460  ax-distr 9461  ax-i2m1 9462  ax-1ne0 9463  ax-1rid 9464  ax-rnegex 9465  ax-rrecex 9466  ax-cnre 9467  ax-pre-lttri 9468  ax-pre-lttrn 9469  ax-pre-ltadd 9470  ax-pre-mulgt0 9471  ax-pre-sup 9472
This theorem depends on definitions:  df-bi 185  df-or 370  df-an 371  df-3or 966  df-3an 967  df-tru 1373  df-fal 1376  df-ex 1588  df-nf 1591  df-sb 1703  df-eu 2266  df-mo 2267  df-clab 2440  df-cleq 2446  df-clel 2449  df-nfc 2604  df-ne 2650  df-nel 2651  df-ral 2804  df-rex 2805  df-reu 2806  df-rmo 2807  df-rab 2808  df-v 3080  df-sbc 3295  df-csb 3397  df-dif 3440  df-un 3442  df-in 3444  df-ss 3451  df-pss 3453  df-nul 3747  df-if 3901  df-pw 3971  df-sn 3987  df-pr 3989  df-tp 3991  df-op 3993  df-uni 4201  df-int 4238  df-iun 4282  df-br 4402  df-opab 4460  df-mpt 4461  df-tr 4495  df-eprel 4741  df-id 4745  df-po 4750  df-so 4751  df-fr 4788  df-se 4789  df-we 4790  df-ord 4831  df-on 4832  df-lim 4833  df-suc 4834  df-xp 4955  df-rel 4956  df-cnv 4957  df-co 4958  df-dm 4959  df-rn 4960  df-res 4961  df-ima 4962  df-iota 5490  df-fun 5529  df-fn 5530  df-f 5531  df-f1 5532  df-fo 5533  df-f1o 5534  df-fv 5535  df-isom 5536  df-riota 6162  df-ov 6204  df-oprab 6205  df-mpt2 6206  df-om 6588  df-1st 6688  df-2nd 6689  df-recs 6943  df-rdg 6977  df-1o 7031  df-oadd 7035  df-er 7212  df-map 7327  df-en 7422  df-dom 7423  df-sdom 7424  df-fin 7425  df-sup 7803  df-oi 7836  df-card 8221  df-pnf 9532  df-mnf 9533  df-xr 9534  df-ltxr 9535  df-le 9536  df-sub 9709  df-neg 9710  df-div 10106  df-nn 10435  df-2 10492  df-3 10493  df-n0 10692  df-z 10759  df-uz 10974  df-rp 11104  df-ico 11418  df-icc 11419  df-fz 11556  df-fzo 11667  df-seq 11925  df-exp 11984  df-hash 12222  df-cj 12707  df-re 12708  df-im 12709  df-sqr 12843  df-abs 12844  df-clim 13085  df-sum 13283  df-ee 23290  df-btwn 23291  df-cgr 23292  df-ofs 28159  df-cgr3 28217  df-segle 28283
This theorem is referenced by:  seglecgr12  28287
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