Theorem ovmpt2dx 5627

Description: Value of an operation given by a maps-to rule, deduction form. (Contributed by Mario Carneiro, 29-Dec-2014.)

Hypotheses

Ref	Expression
ovmpt2dx.1	|- ( ph -> F = ( x e. C , y e. D |-> R ) )
ovmpt2dx.2	|- ( ( ph /\ ( x = A /\ y = B ) ) -> R = S )
ovmpt2dx.3	|- ( ( ph /\ x = A ) -> D = L )
ovmpt2dx.4	|- ( ph -> A e. C )
ovmpt2dx.5	|- ( ph -> B e. L )
ovmpt2dx.6	|- ( ph -> S e. X )

Assertion

Ref	Expression
ovmpt2dx	|- ( ph -> ( A F B ) = S )

Distinct variable groups:   x, y, A   y, B   y, A   x, B   x, S, y   ph, x, y

Allowed substitution hints:   C( x, y)   D( x, y)   R( x, y)   F( x, y)   L( x, y)   X( x, y)

Proof of Theorem ovmpt2dx

Step	Hyp	Ref	Expression
1		ovmpt2dx.1	. 2 |- ( ph -> F = ( x e. C , y e. D |-> R ) )
2		ovmpt2dx.2	. 2 |- ( ( ph /\ ( x = A /\ y = B ) ) -> R = S )
3		ovmpt2dx.3	. 2 |- ( ( ph /\ x = A ) -> D = L )
4		ovmpt2dx.4	. 2 |- ( ph -> A e. C )
5		ovmpt2dx.5	. 2 |- ( ph -> B e. L )
6		ovmpt2dx.6	. 2 |- ( ph -> S e. X )
7		nfv 1421	. 2 |- F/ x ph
8		nfv 1421	. 2 |- F/ y ph
9		nfcv 2178	. 2 |- F/_ y A
10		nfcv 2178	. 2 |- F/_ x B
11		nfcv 2178	. 2 |- F/_ x S
12		nfcv 2178	. 2 |- F/_ y S
13	1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12	ovmpt2dxf 5626	1 |- ( ph -> ( A F B ) = S )

Syntax hints:   -> wi 4   /\ wa 97   = wceq 1243   e. wcel 1393  (class class class)co 5512   |-> cmpt2 5514

This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-mp 7  ax-ia1 99  ax-ia2 100  ax-ia3 101  ax-in1 544  ax-in2 545  ax-io 630  ax-5 1336  ax-7 1337  ax-gen 1338  ax-ie1 1382  ax-ie2 1383  ax-8 1395  ax-10 1396  ax-11 1397  ax-i12 1398  ax-bndl 1399  ax-4 1400  ax-14 1405  ax-17 1419  ax-i9 1423  ax-ial 1427  ax-i5r 1428  ax-ext 2022  ax-sep 3875  ax-pow 3927  ax-pr 3944  ax-setind 4262

This theorem depends on definitions:  df-bi 110  df-3an 887  df-tru 1246  df-fal 1249  df-nf 1350  df-sb 1646  df-eu 1903  df-mo 1904  df-clab 2027  df-cleq 2033  df-clel 2036  df-nfc 2167  df-ne 2206  df-ral 2311  df-rex 2312  df-v 2559  df-sbc 2765  df-dif 2920  df-un 2922  df-in 2924  df-ss 2931  df-pw 3361  df-sn 3381  df-pr 3382  df-op 3384  df-uni 3581  df-br 3765  df-opab 3819  df-id 4030  df-xp 4351  df-rel 4352  df-cnv 4353  df-co 4354  df-dm 4355  df-iota 4867  df-fun 4904  df-fv 4910  df-ov 5515  df-oprab 5516  df-mpt2 5517

This theorem is referenced by:  ovmpt2d  5628  ovmpt2x  5629