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Theorem oprab2co 6327
Description: Composition of operator abstractions. (Contributed by Jeff Madsen, 2-Sep-2009.) (Revised by David Abernethy, 23-Apr-2013.)
Hypotheses
Ref Expression
oprab2co.1  |-  ( ( x  e.  A  /\  y  e.  B )  ->  C  e.  R )
oprab2co.2  |-  ( ( x  e.  A  /\  y  e.  B )  ->  D  e.  S )
oprab2co.3  |-  F  =  ( x  e.  A ,  y  e.  B  |-> 
<. C ,  D >. )
oprab2co.4  |-  G  =  ( x  e.  A ,  y  e.  B  |->  ( C M D ) )
Assertion
Ref Expression
oprab2co  |-  ( M  Fn  ( R  X.  S )  ->  G  =  ( M  o.  F ) )
Distinct variable groups:    x, y, A   
x, B, y    x, M, y    x, R, y   
x, S, y
Allowed substitution hints:    C( x, y)    D( x, y)    F( x, y)    G( x, y)

Proof of Theorem oprab2co
StepHypRef Expression
1 oprab2co.1 . . 3  |-  ( ( x  e.  A  /\  y  e.  B )  ->  C  e.  R )
2 oprab2co.2 . . 3  |-  ( ( x  e.  A  /\  y  e.  B )  ->  D  e.  S )
3 opelxpi 4725 . . 3  |-  ( ( C  e.  R  /\  D  e.  S )  -> 
<. C ,  D >.  e.  ( R  X.  S
) )
41, 2, 3syl2anc 411 . 2  |-  ( ( x  e.  A  /\  y  e.  B )  -> 
<. C ,  D >.  e.  ( R  X.  S
) )
5 oprab2co.3 . 2  |-  F  =  ( x  e.  A ,  y  e.  B  |-> 
<. C ,  D >. )
6 oprab2co.4 . . 3  |-  G  =  ( x  e.  A ,  y  e.  B  |->  ( C M D ) )
7 df-ov 5970 . . . . 5  |-  ( C M D )  =  ( M `  <. C ,  D >. )
87a1i 9 . . . 4  |-  ( ( x  e.  A  /\  y  e.  B )  ->  ( C M D )  =  ( M `
 <. C ,  D >. ) )
98mpoeq3ia 6033 . . 3  |-  ( x  e.  A ,  y  e.  B  |->  ( C M D ) )  =  ( x  e.  A ,  y  e.  B  |->  ( M `  <. C ,  D >. ) )
106, 9eqtri 2228 . 2  |-  G  =  ( x  e.  A ,  y  e.  B  |->  ( M `  <. C ,  D >. )
)
114, 5, 10oprabco 6326 1  |-  ( M  Fn  ( R  X.  S )  ->  G  =  ( M  o.  F ) )
Colors of variables: wff set class
Syntax hints:    -> wi 4    /\ wa 104    = wceq 1373    e. wcel 2178   <.cop 3646    X. cxp 4691    o. ccom 4697    Fn wfn 5285   ` cfv 5290  (class class class)co 5967    e. cmpo 5969
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-io 711  ax-5 1471  ax-7 1472  ax-gen 1473  ax-ie1 1517  ax-ie2 1518  ax-8 1528  ax-10 1529  ax-11 1530  ax-i12 1531  ax-bndl 1533  ax-4 1534  ax-17 1550  ax-i9 1554  ax-ial 1558  ax-i5r 1559  ax-13 2180  ax-14 2181  ax-ext 2189  ax-sep 4178  ax-pow 4234  ax-pr 4269  ax-un 4498
This theorem depends on definitions:  df-bi 117  df-3an 983  df-tru 1376  df-nf 1485  df-sb 1787  df-eu 2058  df-mo 2059  df-clab 2194  df-cleq 2200  df-clel 2203  df-nfc 2339  df-ral 2491  df-rex 2492  df-rab 2495  df-v 2778  df-sbc 3006  df-csb 3102  df-un 3178  df-in 3180  df-ss 3187  df-pw 3628  df-sn 3649  df-pr 3650  df-op 3652  df-uni 3865  df-iun 3943  df-br 4060  df-opab 4122  df-mpt 4123  df-id 4358  df-xp 4699  df-rel 4700  df-cnv 4701  df-co 4702  df-dm 4703  df-rn 4704  df-res 4705  df-ima 4706  df-iota 5251  df-fun 5292  df-fn 5293  df-f 5294  df-fv 5298  df-ov 5970  df-oprab 5971  df-mpo 5972  df-1st 6249  df-2nd 6250
This theorem is referenced by: (None)
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