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Axiom ax-i5r 1294
Description: The converse of ax-5o 1288. Axiom 8 of 10 for intuitionistic logic. (Contributed by Mario Carneiro, 31-Jan-2015.)
Assertion
Ref Expression
ax-i5r

Detailed syntax breakdown of Axiom ax-i5r
StepHypRef Expression
1 wph . . . 4
2 vx . . . 4
31, 2wal 1214 . . 3
4 wps . . . 4
54, 2wal 1214 . . 3
63, 5wi 4 . 2
73, 4wi 4 . . 3
87, 2wal 1214 . 2
96, 8wi 4 1
Colors of variables: wff set class
This axiom is referenced by:  hbim  1302  hbimd  1325
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