Theorem oprab2co 7262

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 5148	. . 3 |- ( ( C e. R /\ D e. S ) -> <. C , D >. e. ( R X. S ) )
4	1, 2, 3	syl2anc 693	. 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 6653	. . . . 5 |- ( C M D ) = ( M ` <. C , D >. )
8	7	a1i 11	. . . 4 |- ( ( x e. A /\ y e. B ) -> ( C M D ) = ( M ` <. C , D >. ) )
9	8	mpt2eq3ia 6720	. . 3 |- ( x e. A , y e. B |-> ( C M D ) ) = ( x e. A , y e. B |-> ( M ` <. C , D >. ) )
10	6, 9	eqtri 2644	. 2 |- G = ( x e. A , y e. B |-> ( M ` <. C , D >. ) )
11	4, 5, 10	oprabco 7261	1 |- ( M Fn ( R X. S ) -> G = ( M o. F ) )

Syntax hints:   -> wi 4   /\ wa 384   = wceq 1483   e. wcel 1990   <.cop 4183   X. cxp 5112   o. ccom 5118   Fn wfn 5883   ` cfv 5888  (class class class)co 6650   |-> cmpt2 6652

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1722  ax-4 1737  ax-5 1839  ax-6 1888  ax-7 1935  ax-8 1992  ax-9 1999  ax-10 2019  ax-11 2034  ax-12 2047  ax-13 2246  ax-ext 2602  ax-sep 4781  ax-nul 4789  ax-pow 4843  ax-pr 4906  ax-un 6949

This theorem depends on definitions:  df-bi 197  df-or 385  df-an 386  df-3an 1039  df-tru 1486  df-ex 1705  df-nf 1710  df-sb 1881  df-eu 2474  df-mo 2475  df-clab 2609  df-cleq 2615  df-clel 2618  df-nfc 2753  df-ne 2795  df-ral 2917  df-rex 2918  df-rab 2921  df-v 3202  df-sbc 3436  df-csb 3534  df-dif 3577  df-un 3579  df-in 3581  df-ss 3588  df-nul 3916  df-if 4087  df-sn 4178  df-pr 4180  df-op 4184  df-uni 4437  df-iun 4522  df-br 4654  df-opab 4713  df-mpt 4730  df-id 5024  df-xp 5120  df-rel 5121  df-cnv 5122  df-co 5123  df-dm 5124  df-rn 5125  df-res 5126  df-ima 5127  df-iota 5851  df-fun 5890  df-fn 5891  df-f 5892  df-fv 5896  df-ov 6653  df-oprab 6654  df-mpt2 6655  df-1st 7168  df-2nd 7169

This theorem is referenced by: (None)