Theorem relsset 34281

Description: The subset class is a binary relation. (Contributed by Scott Fenton, 31-Mar-2012.)

Assertion

Ref	Expression
relsset	⊢ Rel SSet

Proof of Theorem relsset

Step	Hyp	Ref	Expression
1		df-sset 34249	. . 3 ⊢ SSet = ((V × V) ∖ ran ( E ⊗ (V ∖ E )))
2		difss 4077	. . 3 ⊢ ((V × V) ∖ ran ( E ⊗ (V ∖ E ))) ⊆ (V × V)
3	1, 2	eqsstri 3965	. 2 ⊢ SSet ⊆ (V × V)
4		df-rel 5621	. 2 ⊢ (Rel SSet ↔ SSet ⊆ (V × V))
5	3, 4	mpbir 230	1 ⊢ Rel SSet

Syntax hints:  Vcvv 3441   ∖ cdif 3894   ⊆ wss 3897   E cep 5517   × cxp 5612  ran crn 5615  Rel wrel 5619   ⊗ ctxp 34223   SSet csset 34225

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1796  ax-4 1810  ax-5 1912  ax-6 1970  ax-7 2010  ax-8 2107  ax-9 2115  ax-ext 2707

This theorem depends on definitions:  df-bi 206  df-an 397  df-tru 1543  df-ex 1781  df-sb 2067  df-clab 2714  df-cleq 2728  df-clel 2814  df-v 3443  df-dif 3900  df-in 3904  df-ss 3914  df-rel 5621  df-sset 34249

This theorem is referenced by:  brsset  34282  idsset  34283