Theorem eqrelriv 5213

Description: Inference from extensionality principle for relations. (Contributed by FL, 15-Oct-2012.)

Hypothesis

Ref	Expression
eqrelriv.1	|- ( <. x , y >. e. A <-> <. x , y >. e. B )

Assertion

Ref	Expression
eqrelriv	|- ( ( Rel A /\ Rel B ) -> A = B )

Distinct variable groups:   x, y, A   x, B, y

Proof of Theorem eqrelriv

Step	Hyp	Ref	Expression
1		eqrelriv.1	. . 3 |- ( <. x , y >. e. A <-> <. x , y >. e. B )
2	1	gen2 1723	. 2 |- A. x A. y ( <. x , y >. e. A <-> <. x , y >. e. B )
3		eqrel 5209	. 2 |- ( ( Rel A /\ Rel B ) -> ( A = B <-> A. x A. y ( <. x , y >. e. A <-> <. x , y >. e. B ) ) )
4	2, 3	mpbiri 248	1 |- ( ( Rel A /\ Rel B ) -> A = B )

Syntax hints:   -> wi 4   <-> wb 196   /\ wa 384   A.wal 1481   = wceq 1483   e. wcel 1990   <.cop 4183   Rel wrel 5119

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-9 1999  ax-10 2019  ax-11 2034  ax-12 2047  ax-13 2246  ax-ext 2602

This theorem depends on definitions:  df-bi 197  df-or 385  df-an 386  df-tru 1486  df-ex 1705  df-nf 1710  df-sb 1881  df-clab 2609  df-cleq 2615  df-clel 2618  df-in 3581  df-ss 3588  df-opab 4713  df-xp 5120  df-rel 5121

This theorem is referenced by:  eqrelriiv  5214  dfrel2  5583  coi1  5651  cnviin  5672