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Theorem cusgraexilem1 24289
 Description: Lemma 1 for cusgraexi 24291. (Contributed by Alexander van der Vekens, 12-Jan-2018.)
Hypothesis
Ref Expression
cusgraexi.p
Assertion
Ref Expression
cusgraexilem1
Distinct variable group:   ,
Allowed substitution hints:   ()   ()

Proof of Theorem cusgraexilem1
StepHypRef Expression
1 cusgraexi.p . . 3
2 pwexg 4637 . . . 4
3 rabexg 4603 . . . 4
42, 3syl 16 . . 3
51, 4syl5eqel 2559 . 2
6 resiexg 6731 . 2
75, 6syl 16 1
 Colors of variables: wff setvar class Syntax hints:   wi 4   wceq 1379   wcel 1767  crab 2821  cvv 3118  cpw 4016   cid 4796   cres 5007  cfv 5594  c2 10597  chash 12385 This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1601  ax-4 1612  ax-5 1680  ax-6 1719  ax-7 1739  ax-8 1769  ax-9 1771  ax-10 1786  ax-11 1791  ax-12 1803  ax-13 1968  ax-ext 2445  ax-sep 4574  ax-nul 4582  ax-pow 4631  ax-pr 4692  ax-un 6587 This theorem depends on definitions:  df-bi 185  df-or 370  df-an 371  df-3an 975  df-tru 1382  df-ex 1597  df-nf 1600  df-sb 1712  df-eu 2279  df-mo 2280  df-clab 2453  df-cleq 2459  df-clel 2462  df-nfc 2617  df-ne 2664  df-ral 2822  df-rex 2823  df-rab 2826  df-v 3120  df-dif 3484  df-un 3486  df-in 3488  df-ss 3495  df-nul 3791  df-if 3946  df-pw 4018  df-sn 4034  df-pr 4036  df-op 4040  df-uni 4252  df-br 4454  df-opab 4512  df-id 4801  df-xp 5011  df-rel 5012  df-res 5017 This theorem is referenced by:  cusgraexilem2  24290  cusgraexi  24291  cusgraexg  24292
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