Theorem dibopelvalN 36432

Description: Member of the partial isomorphism B. (Contributed by NM, 18-Jan-2014.) (Revised by Mario Carneiro, 6-May-2015.) (New usage is discouraged.)

Hypotheses

Ref	Expression
dibval.b	|- B = ( Base ` K )
dibval.h	|- H = ( LHyp ` K )
dibval.t	|- T = ( ( LTrn ` K ) ` W )
dibval.o	|- .0. = ( f e. T |-> ( _I |` B ) )
dibval.j	|- J = ( ( DIsoA ` K ) ` W )
dibval.i	|- I = ( ( DIsoB ` K ) ` W )

Assertion

Ref	Expression
dibopelvalN	|- ( ( ( K e. V /\ W e. H ) /\ X e. dom J ) -> ( <. F , S >. e. ( I ` X ) <-> ( F e. ( J ` X ) /\ S = .0. ) ) )

Distinct variable groups:   f, K   f, W   T, f

Allowed substitution hints:   B( f)   S( f)   F( f)   H( f)   I( f)   J( f)   V( f)   X( f)   .0. ( f)

Proof of Theorem dibopelvalN

Step	Hyp	Ref	Expression
1		dibval.b	. . . 4 |- B = ( Base ` K )
2		dibval.h	. . . 4 |- H = ( LHyp ` K )
3		dibval.t	. . . 4 |- T = ( ( LTrn ` K ) ` W )
4		dibval.o	. . . 4 |- .0. = ( f e. T |-> ( _I |` B ) )
5		dibval.j	. . . 4 |- J = ( ( DIsoA ` K ) ` W )
6		dibval.i	. . . 4 |- I = ( ( DIsoB ` K ) ` W )
7	1, 2, 3, 4, 5, 6	dibval 36431	. . 3 |- ( ( ( K e. V /\ W e. H ) /\ X e. dom J ) -> ( I ` X ) = ( ( J ` X ) X. { .0. } ) )
8	7	eleq2d 2687	. 2 |- ( ( ( K e. V /\ W e. H ) /\ X e. dom J ) -> ( <. F , S >. e. ( I ` X ) <-> <. F , S >. e. ( ( J ` X ) X. { .0. } ) ) )
9		opelxp 5146	. . 3 |- ( <. F , S >. e. ( ( J ` X ) X. { .0. } ) <-> ( F e. ( J ` X ) /\ S e. { .0. } ) )
10		fvex 6201	. . . . . . . 8 |- ( ( LTrn ` K ) ` W ) e. _V
11	3, 10	eqeltri 2697	. . . . . . 7 |- T e. _V
12	11	mptex 6486	. . . . . 6 |- ( f e. T |-> ( _I |` B ) ) e. _V
13	4, 12	eqeltri 2697	. . . . 5 |- .0. e. _V
14	13	elsn2 4211	. . . 4 |- ( S e. { .0. } <-> S = .0. )
15	14	anbi2i 730	. . 3 |- ( ( F e. ( J ` X ) /\ S e. { .0. } ) <-> ( F e. ( J ` X ) /\ S = .0. ) )
16	9, 15	bitri 264	. 2 |- ( <. F , S >. e. ( ( J ` X ) X. { .0. } ) <-> ( F e. ( J ` X ) /\ S = .0. ) )
17	8, 16	syl6bb 276	1 |- ( ( ( K e. V /\ W e. H ) /\ X e. dom J ) -> ( <. F , S >. e. ( I ` X ) <-> ( F e. ( J ` X ) /\ S = .0. ) ) )

Syntax hints:   -> wi 4   <-> wb 196   /\ wa 384   = wceq 1483   e. wcel 1990   _Vcvv 3200   {csn 4177   <.cop 4183   |-> cmpt 4729   _I cid 5023   X. cxp 5112   dom cdm 5114   |` cres 5116   ` cfv 5888   Basecbs 15857   LHypclh 35270   LTrncltrn 35387   DIsoAcdia 36317   DIsoBcdib 36427

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1722  ax-4 1737  ax-5 1839  ax-6 1888  ax-7 1935  ax-8 1992  ax-9 1999  ax-10 2019  ax-11 2034  ax-12 2047  ax-13 2246  ax-ext 2602  ax-rep 4771  ax-sep 4781  ax-nul 4789  ax-pow 4843  ax-pr 4906  ax-un 6949

This theorem depends on definitions:  df-bi 197  df-or 385  df-an 386  df-3an 1039  df-tru 1486  df-ex 1705  df-nf 1710  df-sb 1881  df-eu 2474  df-mo 2475  df-clab 2609  df-cleq 2615  df-clel 2618  df-nfc 2753  df-ne 2795  df-ral 2917  df-rex 2918  df-reu 2919  df-rab 2921  df-v 3202  df-sbc 3436  df-csb 3534  df-dif 3577  df-un 3579  df-in 3581  df-ss 3588  df-nul 3916  df-if 4087  df-pw 4160  df-sn 4178  df-pr 4180  df-op 4184  df-uni 4437  df-iun 4522  df-br 4654  df-opab 4713  df-mpt 4730  df-id 5024  df-xp 5120  df-rel 5121  df-cnv 5122  df-co 5123  df-dm 5124  df-rn 5125  df-res 5126  df-ima 5127  df-iota 5851  df-fun 5890  df-fn 5891  df-f 5892  df-f1 5893  df-fo 5894  df-f1o 5895  df-fv 5896  df-dib 36428

This theorem is referenced by: (None)