Theorem relopabv 4881

Description: A class of ordered pairs is a relation. For a version without a disjoint variable condition, see relopab 4883. (Contributed by SN, 8-Sep-2024.)

Assertion

Ref	Expression
relopabv	|- Rel { <. x , y >. | ph }

Distinct variable group:   x, y

Allowed substitution hints:   ph( x, y)

Proof of Theorem relopabv

Step	Hyp	Ref	Expression
1		eqid 2234	. 2 |- { <. x , y >. | ph } = { <. x , y >. | ph }
2	1	relopabiv 4880	1 |- Rel { <. x , y >. | ph }

Syntax hints:   {copab 4172   Rel wrel 4756

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 717  ax-5 1496  ax-7 1497  ax-gen 1498  ax-ie1 1542  ax-ie2 1543  ax-8 1553  ax-10 1554  ax-11 1555  ax-i12 1556  ax-bndl 1558  ax-4 1559  ax-17 1575  ax-i9 1579  ax-ial 1583  ax-i5r 1584  ax-ext 2216

This theorem depends on definitions:  df-bi 117  df-nf 1510  df-sb 1812  df-clab 2221  df-cleq 2227  df-clel 2230  df-nfc 2375  df-v 2817  df-in 3219  df-ss 3226  df-opab 4174  df-xp 4757  df-rel 4758

This theorem is referenced by:  lgsquadlem3  16001