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Theorem isprm2 14080
Description: The predicate "is a prime number". A prime number is an integer greater than or equal to 2 whose only positive divisors are 1 and itself. (Contributed by Paul Chapman, 26-Oct-2012.)
Assertion
Ref Expression
isprm2  |-  ( P  e.  Prime  <->  ( P  e.  ( ZZ>= `  2 )  /\  A. z  e.  NN  ( z  ||  P  ->  ( z  =  1  \/  z  =  P ) ) ) )
Distinct variable group:    z, P

Proof of Theorem isprm2
Dummy variable  n is distinct from all other variables.
StepHypRef Expression
1 1nprm 14077 . . . . 5  |-  -.  1  e.  Prime
2 eleq1 2539 . . . . . 6  |-  ( P  =  1  ->  ( P  e.  Prime  <->  1  e.  Prime ) )
32biimpcd 224 . . . . 5  |-  ( P  e.  Prime  ->  ( P  =  1  ->  1  e.  Prime ) )
41, 3mtoi 178 . . . 4  |-  ( P  e.  Prime  ->  -.  P  =  1 )
54neqned 2670 . . 3  |-  ( P  e.  Prime  ->  P  =/=  1 )
65pm4.71i 632 . 2  |-  ( P  e.  Prime  <->  ( P  e. 
Prime  /\  P  =/=  1
) )
7 isprm 14074 . . . 4  |-  ( P  e.  Prime  <->  ( P  e.  NN  /\  { n  e.  NN  |  n  ||  P }  ~~  2o ) )
8 isprm2lem 14079 . . . . . . 7  |-  ( ( P  e.  NN  /\  P  =/=  1 )  -> 
( { n  e.  NN  |  n  ||  P }  ~~  2o  <->  { n  e.  NN  |  n  ||  P }  =  {
1 ,  P }
) )
9 eqss 3519 . . . . . . . . . . 11  |-  ( { n  e.  NN  |  n  ||  P }  =  { 1 ,  P } 
<->  ( { n  e.  NN  |  n  ||  P }  C_  { 1 ,  P }  /\  { 1 ,  P }  C_ 
{ n  e.  NN  |  n  ||  P }
) )
109imbi2i 312 . . . . . . . . . 10  |-  ( ( P  e.  NN  ->  { n  e.  NN  |  n  ||  P }  =  { 1 ,  P } )  <->  ( P  e.  NN  ->  ( {
n  e.  NN  |  n  ||  P }  C_  { 1 ,  P }  /\  { 1 ,  P }  C_  { n  e.  NN  |  n  ||  P } ) ) )
11 1idssfct 14078 . . . . . . . . . . 11  |-  ( P  e.  NN  ->  { 1 ,  P }  C_  { n  e.  NN  |  n  ||  P } )
12 jcab 861 . . . . . . . . . . 11  |-  ( ( P  e.  NN  ->  ( { n  e.  NN  |  n  ||  P }  C_ 
{ 1 ,  P }  /\  { 1 ,  P }  C_  { n  e.  NN  |  n  ||  P } ) )  <->  ( ( P  e.  NN  ->  { n  e.  NN  |  n  ||  P }  C_  { 1 ,  P }
)  /\  ( P  e.  NN  ->  { 1 ,  P }  C_  { n  e.  NN  |  n  ||  P } ) ) )
1311, 12mpbiran2 917 . . . . . . . . . 10  |-  ( ( P  e.  NN  ->  ( { n  e.  NN  |  n  ||  P }  C_ 
{ 1 ,  P }  /\  { 1 ,  P }  C_  { n  e.  NN  |  n  ||  P } ) )  <->  ( P  e.  NN  ->  { n  e.  NN  |  n  ||  P }  C_  { 1 ,  P } ) )
1410, 13bitri 249 . . . . . . . . 9  |-  ( ( P  e.  NN  ->  { n  e.  NN  |  n  ||  P }  =  { 1 ,  P } )  <->  ( P  e.  NN  ->  { n  e.  NN  |  n  ||  P }  C_  { 1 ,  P } ) )
1514pm5.74ri 246 . . . . . . . 8  |-  ( P  e.  NN  ->  ( { n  e.  NN  |  n  ||  P }  =  { 1 ,  P } 
<->  { n  e.  NN  |  n  ||  P }  C_ 
{ 1 ,  P } ) )
1615adantr 465 . . . . . . 7  |-  ( ( P  e.  NN  /\  P  =/=  1 )  -> 
( { n  e.  NN  |  n  ||  P }  =  {
1 ,  P }  <->  { n  e.  NN  |  n  ||  P }  C_  { 1 ,  P }
) )
178, 16bitrd 253 . . . . . 6  |-  ( ( P  e.  NN  /\  P  =/=  1 )  -> 
( { n  e.  NN  |  n  ||  P }  ~~  2o  <->  { n  e.  NN  |  n  ||  P }  C_  { 1 ,  P } ) )
1817expcom 435 . . . . 5  |-  ( P  =/=  1  ->  ( P  e.  NN  ->  ( { n  e.  NN  |  n  ||  P }  ~~  2o  <->  { n  e.  NN  |  n  ||  P }  C_ 
{ 1 ,  P } ) ) )
1918pm5.32d 639 . . . 4  |-  ( P  =/=  1  ->  (
( P  e.  NN  /\ 
{ n  e.  NN  |  n  ||  P }  ~~  2o )  <->  ( P  e.  NN  /\  { n  e.  NN  |  n  ||  P }  C_  { 1 ,  P } ) ) )
207, 19syl5bb 257 . . 3  |-  ( P  =/=  1  ->  ( P  e.  Prime  <->  ( P  e.  NN  /\  { n  e.  NN  |  n  ||  P }  C_  { 1 ,  P } ) ) )
2120pm5.32ri 638 . 2  |-  ( ( P  e.  Prime  /\  P  =/=  1 )  <->  ( ( P  e.  NN  /\  {
n  e.  NN  |  n  ||  P }  C_  { 1 ,  P }
)  /\  P  =/=  1 ) )
22 ancom 450 . . . 4  |-  ( ( ( P  e.  NN  /\ 
{ n  e.  NN  |  n  ||  P }  C_ 
{ 1 ,  P } )  /\  P  =/=  1 )  <->  ( P  =/=  1  /\  ( P  e.  NN  /\  {
n  e.  NN  |  n  ||  P }  C_  { 1 ,  P }
) ) )
23 anass 649 . . . 4  |-  ( ( ( P  =/=  1  /\  P  e.  NN )  /\  { n  e.  NN  |  n  ||  P }  C_  { 1 ,  P } )  <-> 
( P  =/=  1  /\  ( P  e.  NN  /\ 
{ n  e.  NN  |  n  ||  P }  C_ 
{ 1 ,  P } ) ) )
2422, 23bitr4i 252 . . 3  |-  ( ( ( P  e.  NN  /\ 
{ n  e.  NN  |  n  ||  P }  C_ 
{ 1 ,  P } )  /\  P  =/=  1 )  <->  ( ( P  =/=  1  /\  P  e.  NN )  /\  {
n  e.  NN  |  n  ||  P }  C_  { 1 ,  P }
) )
25 ancom 450 . . . . 5  |-  ( ( P  =/=  1  /\  P  e.  NN )  <-> 
( P  e.  NN  /\  P  =/=  1 ) )
26 eluz2b3 11151 . . . . 5  |-  ( P  e.  ( ZZ>= `  2
)  <->  ( P  e.  NN  /\  P  =/=  1 ) )
2725, 26bitr4i 252 . . . 4  |-  ( ( P  =/=  1  /\  P  e.  NN )  <-> 
P  e.  ( ZZ>= ` 
2 ) )
2827anbi1i 695 . . 3  |-  ( ( ( P  =/=  1  /\  P  e.  NN )  /\  { n  e.  NN  |  n  ||  P }  C_  { 1 ,  P } )  <-> 
( P  e.  (
ZZ>= `  2 )  /\  { n  e.  NN  |  n  ||  P }  C_  { 1 ,  P }
) )
29 dfss2 3493 . . . . 5  |-  ( { n  e.  NN  |  n  ||  P }  C_  { 1 ,  P }  <->  A. z ( z  e. 
{ n  e.  NN  |  n  ||  P }  ->  z  e.  { 1 ,  P } ) )
30 breq1 4450 . . . . . . . . . 10  |-  ( n  =  z  ->  (
n  ||  P  <->  z  ||  P ) )
3130elrab 3261 . . . . . . . . 9  |-  ( z  e.  { n  e.  NN  |  n  ||  P }  <->  ( z  e.  NN  /\  z  ||  P ) )
32 vex 3116 . . . . . . . . . 10  |-  z  e. 
_V
3332elpr 4045 . . . . . . . . 9  |-  ( z  e.  { 1 ,  P }  <->  ( z  =  1  \/  z  =  P ) )
3431, 33imbi12i 326 . . . . . . . 8  |-  ( ( z  e.  { n  e.  NN  |  n  ||  P }  ->  z  e. 
{ 1 ,  P } )  <->  ( (
z  e.  NN  /\  z  ||  P )  -> 
( z  =  1  \/  z  =  P ) ) )
35 impexp 446 . . . . . . . 8  |-  ( ( ( z  e.  NN  /\  z  ||  P )  ->  ( z  =  1  \/  z  =  P ) )  <->  ( z  e.  NN  ->  ( z  ||  P  ->  ( z  =  1  \/  z  =  P ) ) ) )
3634, 35bitri 249 . . . . . . 7  |-  ( ( z  e.  { n  e.  NN  |  n  ||  P }  ->  z  e. 
{ 1 ,  P } )  <->  ( z  e.  NN  ->  ( z  ||  P  ->  ( z  =  1  \/  z  =  P ) ) ) )
3736albii 1620 . . . . . 6  |-  ( A. z ( z  e. 
{ n  e.  NN  |  n  ||  P }  ->  z  e.  { 1 ,  P } )  <->  A. z ( z  e.  NN  ->  ( z  ||  P  ->  ( z  =  1  \/  z  =  P ) ) ) )
38 df-ral 2819 . . . . . 6  |-  ( A. z  e.  NN  (
z  ||  P  ->  ( z  =  1  \/  z  =  P ) )  <->  A. z ( z  e.  NN  ->  (
z  ||  P  ->  ( z  =  1  \/  z  =  P ) ) ) )
3937, 38bitr4i 252 . . . . 5  |-  ( A. z ( z  e. 
{ n  e.  NN  |  n  ||  P }  ->  z  e.  { 1 ,  P } )  <->  A. z  e.  NN  ( z  ||  P  ->  ( z  =  1  \/  z  =  P ) ) )
4029, 39bitri 249 . . . 4  |-  ( { n  e.  NN  |  n  ||  P }  C_  { 1 ,  P }  <->  A. z  e.  NN  (
z  ||  P  ->  ( z  =  1  \/  z  =  P ) ) )
4140anbi2i 694 . . 3  |-  ( ( P  e.  ( ZZ>= ` 
2 )  /\  {
n  e.  NN  |  n  ||  P }  C_  { 1 ,  P }
)  <->  ( P  e.  ( ZZ>= `  2 )  /\  A. z  e.  NN  ( z  ||  P  ->  ( z  =  1  \/  z  =  P ) ) ) )
4224, 28, 413bitri 271 . 2  |-  ( ( ( P  e.  NN  /\ 
{ n  e.  NN  |  n  ||  P }  C_ 
{ 1 ,  P } )  /\  P  =/=  1 )  <->  ( P  e.  ( ZZ>= `  2 )  /\  A. z  e.  NN  ( z  ||  P  ->  ( z  =  1  \/  z  =  P ) ) ) )
436, 21, 423bitri 271 1  |-  ( P  e.  Prime  <->  ( P  e.  ( ZZ>= `  2 )  /\  A. z  e.  NN  ( z  ||  P  ->  ( z  =  1  \/  z  =  P ) ) ) )
Colors of variables: wff setvar class
Syntax hints:    -> wi 4    <-> wb 184    \/ wo 368    /\ wa 369   A.wal 1377    = wceq 1379    e. wcel 1767    =/= wne 2662   A.wral 2814   {crab 2818    C_ wss 3476   {cpr 4029   class class class wbr 4447   ` cfv 5586   2oc2o 7121    ~~ cen 7510   1c1 9489   NNcn 10532   2c2 10581   ZZ>=cuz 11078    || cdivides 13843   Primecprime 14072
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1601  ax-4 1612  ax-5 1680  ax-6 1719  ax-7 1739  ax-8 1769  ax-9 1771  ax-10 1786  ax-11 1791  ax-12 1803  ax-13 1968  ax-ext 2445  ax-sep 4568  ax-nul 4576  ax-pow 4625  ax-pr 4686  ax-un 6574  ax-cnex 9544  ax-resscn 9545  ax-1cn 9546  ax-icn 9547  ax-addcl 9548  ax-addrcl 9549  ax-mulcl 9550  ax-mulrcl 9551  ax-mulcom 9552  ax-addass 9553  ax-mulass 9554  ax-distr 9555  ax-i2m1 9556  ax-1ne0 9557  ax-1rid 9558  ax-rnegex 9559  ax-rrecex 9560  ax-cnre 9561  ax-pre-lttri 9562  ax-pre-lttrn 9563  ax-pre-ltadd 9564  ax-pre-mulgt0 9565
This theorem depends on definitions:  df-bi 185  df-or 370  df-an 371  df-3or 974  df-3an 975  df-tru 1382  df-ex 1597  df-nf 1600  df-sb 1712  df-eu 2279  df-mo 2280  df-clab 2453  df-cleq 2459  df-clel 2462  df-nfc 2617  df-ne 2664  df-nel 2665  df-ral 2819  df-rex 2820  df-reu 2821  df-rab 2823  df-v 3115  df-sbc 3332  df-csb 3436  df-dif 3479  df-un 3481  df-in 3483  df-ss 3490  df-pss 3492  df-nul 3786  df-if 3940  df-pw 4012  df-sn 4028  df-pr 4030  df-tp 4032  df-op 4034  df-uni 4246  df-int 4283  df-iun 4327  df-br 4448  df-opab 4506  df-mpt 4507  df-tr 4541  df-eprel 4791  df-id 4795  df-po 4800  df-so 4801  df-fr 4838  df-we 4840  df-ord 4881  df-on 4882  df-lim 4883  df-suc 4884  df-xp 5005  df-rel 5006  df-cnv 5007  df-co 5008  df-dm 5009  df-rn 5010  df-res 5011  df-ima 5012  df-iota 5549  df-fun 5588  df-fn 5589  df-f 5590  df-f1 5591  df-fo 5592  df-f1o 5593  df-fv 5594  df-riota 6243  df-ov 6285  df-oprab 6286  df-mpt2 6287  df-om 6679  df-recs 7039  df-rdg 7073  df-1o 7127  df-2o 7128  df-oadd 7131  df-er 7308  df-en 7514  df-dom 7515  df-sdom 7516  df-fin 7517  df-pnf 9626  df-mnf 9627  df-xr 9628  df-ltxr 9629  df-le 9630  df-sub 9803  df-neg 9804  df-nn 10533  df-2 10590  df-n0 10792  df-z 10861  df-uz 11079  df-dvds 13844  df-prm 14073
This theorem is referenced by:  isprm3  14081  isprm4  14082  dvdsprime  14085  coprm  14096  isprm6  14105  prmirredlem  18290  prmirredlemOLD  18293  znidomb  18367  perfectlem2  23233
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