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Theorem ovidi 5619
Description: The value of an operation class abstraction (weak version). (Contributed by Mario Carneiro, 29-Dec-2014.)
Hypotheses
Ref Expression
ovidi.2  |-  ( ( x  e.  R  /\  y  e.  S )  ->  E* z ph )
ovidi.3  |-  F  =  { <. <. x ,  y
>. ,  z >.  |  ( ( x  e.  R  /\  y  e.  S )  /\  ph ) }
Assertion
Ref Expression
ovidi  |-  ( ( x  e.  R  /\  y  e.  S )  ->  ( ph  ->  (
x F y )  =  z ) )
Distinct variable groups:    x, y, z   
z, R    z, S
Allowed substitution hints:    ph( x, y, z)    R( x, y)    S( x, y)    F( x, y, z)

Proof of Theorem ovidi
StepHypRef Expression
1 ovidi.2 . . . 4  |-  ( ( x  e.  R  /\  y  e.  S )  ->  E* z ph )
2 moanimv 1975 . . . 4  |-  ( E* z ( ( x  e.  R  /\  y  e.  S )  /\  ph ) 
<->  ( ( x  e.  R  /\  y  e.  S )  ->  E* z ph ) )
31, 2mpbir 134 . . 3  |-  E* z
( ( x  e.  R  /\  y  e.  S )  /\  ph )
4 ovidi.3 . . 3  |-  F  =  { <. <. x ,  y
>. ,  z >.  |  ( ( x  e.  R  /\  y  e.  S )  /\  ph ) }
53, 4ovidig 5618 . 2  |-  ( ( ( x  e.  R  /\  y  e.  S
)  /\  ph )  -> 
( x F y )  =  z )
65ex 108 1  |-  ( ( x  e.  R  /\  y  e.  S )  ->  ( ph  ->  (
x F y )  =  z ) )
Colors of variables: wff set class
Syntax hints:    -> wi 4    /\ wa 97    = wceq 1243    e. wcel 1393   E*wmo 1901  (class class class)co 5512   {coprab 5513
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
This theorem is referenced by:  ovmpt4g  5623  ovi3  5637
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