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Theorem prtlem11 26715
 Description: Lemma for prter2 26730. (Contributed by Rodolfo Medina, 12-Oct-2010.)
Assertion
Ref Expression
prtlem11

Proof of Theorem prtlem11
Dummy variable is distinct from all other variables.
StepHypRef Expression
1 risset 2753 . . . 4
2 r19.41v 2861 . . . . 5
3 eceq1 6941 . . . . . . 7
4 eqtr3 2455 . . . . . . . 8
54eqcomd 2441 . . . . . . 7
63, 5sylan 458 . . . . . 6
76reximi 2813 . . . . 5
82, 7sylbir 205 . . . 4
91, 8sylanb 459 . . 3
10 elqsg 6956 . . 3
119, 10syl5ibr 213 . 2
1211exp3a 426 1
 Colors of variables: wff set class Syntax hints:   wi 4   wa 359   wceq 1652   wcel 1725  wrex 2706  cec 6903  cqs 6904 This theorem is referenced by:  prter2  26730 This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-3 7  ax-mp 8  ax-gen 1555  ax-5 1566  ax-17 1626  ax-9 1666  ax-8 1687  ax-6 1744  ax-7 1749  ax-11 1761  ax-12 1950  ax-ext 2417 This theorem depends on definitions:  df-bi 178  df-or 360  df-an 361  df-3an 938  df-tru 1328  df-ex 1551  df-nf 1554  df-sb 1659  df-clab 2423  df-cleq 2429  df-clel 2432  df-nfc 2561  df-ral 2710  df-rex 2711  df-rab 2714  df-v 2958  df-dif 3323  df-un 3325  df-in 3327  df-ss 3334  df-nul 3629  df-if 3740  df-sn 3820  df-pr 3821  df-op 3823  df-br 4213  df-opab 4267  df-xp 4884  df-cnv 4886  df-dm 4888  df-rn 4889  df-res 4890  df-ima 4891  df-ec 6907  df-qs 6911
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