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Theorem oprab2co 6123
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 4579 . . 3  |-  ( ( C  e.  R  /\  D  e.  S )  -> 
<. C ,  D >.  e.  ( R  X.  S
) )
41, 2, 3syl2anc 409 . 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 5785 . . . . 5  |-  ( C M D )  =  ( M `  <. C ,  D >. )
87a1i 9 . . . 4  |-  ( ( x  e.  A  /\  y  e.  B )  ->  ( C M D )  =  ( M `
 <. C ,  D >. ) )
98mpoeq3ia 5844 . . 3  |-  ( x  e.  A ,  y  e.  B  |->  ( C M D ) )  =  ( x  e.  A ,  y  e.  B  |->  ( M `  <. C ,  D >. ) )
106, 9eqtri 2161 . 2  |-  G  =  ( x  e.  A ,  y  e.  B  |->  ( M `  <. C ,  D >. )
)
114, 5, 10oprabco 6122 1  |-  ( M  Fn  ( R  X.  S )  ->  G  =  ( M  o.  F ) )
Colors of variables: wff set class
Syntax hints:    -> wi 4    /\ wa 103    = wceq 1332    e. wcel 1481   <.cop 3535    X. cxp 4545    o. ccom 4551    Fn wfn 5126   ` cfv 5131  (class class class)co 5782    e. cmpo 5784
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 105  ax-ia2 106  ax-ia3 107  ax-io 699  ax-5 1424  ax-7 1425  ax-gen 1426  ax-ie1 1470  ax-ie2 1471  ax-8 1483  ax-10 1484  ax-11 1485  ax-i12 1486  ax-bndl 1487  ax-4 1488  ax-13 1492  ax-14 1493  ax-17 1507  ax-i9 1511  ax-ial 1515  ax-i5r 1516  ax-ext 2122  ax-sep 4054  ax-pow 4106  ax-pr 4139  ax-un 4363
This theorem depends on definitions:  df-bi 116  df-3an 965  df-tru 1335  df-nf 1438  df-sb 1737  df-eu 2003  df-mo 2004  df-clab 2127  df-cleq 2133  df-clel 2136  df-nfc 2271  df-ral 2422  df-rex 2423  df-rab 2426  df-v 2691  df-sbc 2914  df-csb 3008  df-un 3080  df-in 3082  df-ss 3089  df-pw 3517  df-sn 3538  df-pr 3539  df-op 3541  df-uni 3745  df-iun 3823  df-br 3938  df-opab 3998  df-mpt 3999  df-id 4223  df-xp 4553  df-rel 4554  df-cnv 4555  df-co 4556  df-dm 4557  df-rn 4558  df-res 4559  df-ima 4560  df-iota 5096  df-fun 5133  df-fn 5134  df-f 5135  df-fv 5139  df-ov 5785  df-oprab 5786  df-mpo 5787  df-1st 6046  df-2nd 6047
This theorem is referenced by: (None)
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