Theorem cdlemksv 35640

Description: Part of proof of Lemma K of [Crawley] p. 118. Value of the sigma(p) function. (Contributed by NM, 26-Jun-2013.)

Hypotheses

Ref	Expression
cdlemk.b	|- B = ( Base ` K )
cdlemk.l	|- .<_ = ( le ` K )
cdlemk.j	|- .\/ = ( join ` K )
cdlemk.a	|- A = ( Atoms ` K )
cdlemk.h	|- H = ( LHyp ` K )
cdlemk.t	|- T = ( ( LTrn ` K ) ` W )
cdlemk.r	|- R = ( ( trL ` K ) ` W )
cdlemk.m	|- ./\ = ( meet ` K )
cdlemk.s	|- S = ( f e. T |-> ( iota_ i e. T ( i ` P ) = ( ( P .\/ ( R ` f ) ) ./\ ( ( N ` P ) .\/ ( R ` ( f o. `' F ) ) ) ) ) )

Assertion

Ref	Expression
cdlemksv	|- ( G e. T -> ( S ` G ) = ( iota_ i e. T ( i ` P ) = ( ( P .\/ ( R ` G ) ) ./\ ( ( N ` P ) .\/ ( R ` ( G o. `' F ) ) ) ) ) )

Distinct variable groups:   ./\ , f   .\/ , f   f, F   f, i, G   f, N   P, f   R, f   T, f   f, W

Allowed substitution hints:   A( f, i)   B( f, i)   P( i)   R( i)   S( f, i)   T( i)   F( i)   H( f, i)   .\/ ( i)   K( f, i)   .<_ ( f, i)   ./\ ( i)   N( i)   W( i)

Proof of Theorem cdlemksv

Step	Hyp	Ref	Expression
1		fveq2 5864	. . . . . 6 |- ( f = G -> ( R ` f ) = ( R ` G ) )
2	1	oveq2d 6298	. . . . 5 |- ( f = G -> ( P .\/ ( R ` f ) ) = ( P .\/ ( R ` G ) ) )
3		coeq1 5158	. . . . . . 7 |- ( f = G -> ( f o. `' F ) = ( G o. `' F ) )
4	3	fveq2d 5868	. . . . . 6 |- ( f = G -> ( R ` ( f o. `' F ) ) = ( R ` ( G o. `' F ) ) )
5	4	oveq2d 6298	. . . . 5 |- ( f = G -> ( ( N ` P ) .\/ ( R ` ( f o. `' F ) ) ) = ( ( N ` P ) .\/ ( R ` ( G o. `' F ) ) ) )
6	2, 5	oveq12d 6300	. . . 4 |- ( f = G -> ( ( P .\/ ( R ` f ) ) ./\ ( ( N ` P ) .\/ ( R ` ( f o. `' F ) ) ) ) = ( ( P .\/ ( R ` G ) ) ./\ ( ( N ` P ) .\/ ( R ` ( G o. `' F ) ) ) ) )
7	6	eqeq2d 2481	. . 3 |- ( f = G -> ( ( i ` P ) = ( ( P .\/ ( R ` f ) ) ./\ ( ( N ` P ) .\/ ( R ` ( f o. `' F ) ) ) ) <-> ( i ` P ) = ( ( P .\/ ( R ` G ) ) ./\ ( ( N ` P ) .\/ ( R ` ( G o. `' F ) ) ) ) ) )
8	7	riotabidv 6245	. 2 |- ( f = G -> ( iota_ i e. T ( i ` P ) = ( ( P .\/ ( R ` f ) ) ./\ ( ( N ` P ) .\/ ( R ` ( f o. `' F ) ) ) ) ) = ( iota_ i e. T ( i ` P ) = ( ( P .\/ ( R ` G ) ) ./\ ( ( N ` P ) .\/ ( R ` ( G o. `' F ) ) ) ) ) )
9		cdlemk.s	. 2 |- S = ( f e. T |-> ( iota_ i e. T ( i ` P ) = ( ( P .\/ ( R ` f ) ) ./\ ( ( N ` P ) .\/ ( R ` ( f o. `' F ) ) ) ) ) )
10		riotaex 6247	. 2 |- ( iota_ i e. T ( i ` P ) = ( ( P .\/ ( R ` G ) ) ./\ ( ( N ` P ) .\/ ( R ` ( G o. `' F ) ) ) ) ) e. _V
11	8, 9, 10	fvmpt 5948	1 |- ( G e. T -> ( S ` G ) = ( iota_ i e. T ( i ` P ) = ( ( P .\/ ( R ` G ) ) ./\ ( ( N ` P ) .\/ ( R ` ( G o. `' F ) ) ) ) ) )

Syntax hints:   -> wi 4   = wceq 1379   e. wcel 1767   |-> cmpt 4505   `'ccnv 4998   o. ccom 5003   ` cfv 5586   iota_crio 6242  (class class class)co 6282   Basecbs 14483   lecple 14555   joincjn 15424   meetcmee 15425   Atomscatm 34060   LHypclh 34780   LTrncltrn 34897   trLctrl 34954

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-9 1771  ax-10 1786  ax-11 1791  ax-12 1803  ax-13 1968  ax-ext 2445  ax-sep 4568  ax-nul 4576  ax-pr 4686

This theorem depends on definitions:  df-bi 185  df-or 370  df-an 371  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-ral 2819  df-rex 2820  df-rab 2823  df-v 3115  df-sbc 3332  df-dif 3479  df-un 3481  df-in 3483  df-ss 3490  df-nul 3786  df-if 3940  df-sn 4028  df-pr 4030  df-op 4034  df-uni 4246  df-br 4448  df-opab 4506  df-mpt 4507  df-id 4795  df-xp 5005  df-rel 5006  df-cnv 5007  df-co 5008  df-dm 5009  df-iota 5549  df-fun 5588  df-fv 5594  df-riota 6243  df-ov 6285

This theorem is referenced by:  cdlemksel  35641  cdlemksv2  35643  cdlemkuvN  35660  cdlemkuel  35661  cdlemkuv2  35663  cdlemkuv-2N  35679  cdlemkuu  35691