Theorem oprab2co 6362

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

Step	Hyp	Ref	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 4750	. . 3 |- ( ( C e. R /\ D e. S ) -> <. C , D >. e. ( R X. S ) )
4	1, 2, 3	syl2anc 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 6003	. . . . 5 |- ( C M D ) = ( M ` <. C , D >. )
8	7	a1i 9	. . . 4 |- ( ( x e. A /\ y e. B ) -> ( C M D ) = ( M ` <. C , D >. ) )
9	8	mpoeq3ia 6068	. . 3 |- ( x e. A , y e. B |-> ( C M D ) ) = ( x e. A , y e. B |-> ( M ` <. C , D >. ) )
10	6, 9	eqtri 2250	. 2 |- G = ( x e. A , y e. B |-> ( M ` <. C , D >. ) )
11	4, 5, 10	oprabco 6361	1 |- ( M Fn ( R X. S ) -> G = ( M o. F ) )

Syntax hints:   -> wi 4   /\ wa 104   = wceq 1395   e. wcel 2200   <.cop 3669   X. cxp 4716   o. ccom 4722   Fn wfn 5312   ` cfv 5317  (class class class)co 6000   e. cmpo 6002

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 714  ax-5 1493  ax-7 1494  ax-gen 1495  ax-ie1 1539  ax-ie2 1540  ax-8 1550  ax-10 1551  ax-11 1552  ax-i12 1553  ax-bndl 1555  ax-4 1556  ax-17 1572  ax-i9 1576  ax-ial 1580  ax-i5r 1581  ax-13 2202  ax-14 2203  ax-ext 2211  ax-sep 4201  ax-pow 4257  ax-pr 4292  ax-un 4523

This theorem depends on definitions:  df-bi 117  df-3an 1004  df-tru 1398  df-nf 1507  df-sb 1809  df-eu 2080  df-mo 2081  df-clab 2216  df-cleq 2222  df-clel 2225  df-nfc 2361  df-ral 2513  df-rex 2514  df-rab 2517  df-v 2801  df-sbc 3029  df-csb 3125  df-un 3201  df-in 3203  df-ss 3210  df-pw 3651  df-sn 3672  df-pr 3673  df-op 3675  df-uni 3888  df-iun 3966  df-br 4083  df-opab 4145  df-mpt 4146  df-id 4383  df-xp 4724  df-rel 4725  df-cnv 4726  df-co 4727  df-dm 4728  df-rn 4729  df-res 4730  df-ima 4731  df-iota 5277  df-fun 5319  df-fn 5320  df-f 5321  df-fv 5325  df-ov 6003  df-oprab 6004  df-mpo 6005  df-1st 6284  df-2nd 6285

This theorem is referenced by: (None)