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Axiom ax-5 1309
Description: Axiom of Quantified Implication. Axiom C4 of [Monk2] p. 105. (Contributed by NM, 5-Aug-1993.)
Assertion
Ref Expression
ax-5

Detailed syntax breakdown of Axiom ax-5
StepHypRef Expression
1 wph . . . 4
2 wps . . . 4
31, 2wi 4 . . 3
4 vx . . 3  setvar
53, 4wal 1221 . 2
61, 4wal 1221 . . 3
72, 4wal 1221 . . 3
86, 7wi 4 . 2
95, 8wi 4 1
Colors of variables: wff set class
This axiom is referenced by:  alimi  1317  alim  1319  nfrimi  1391  a5i  1408
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