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Axiom ax-8d 2296
Description: Distinct variable version of ax-8 1675. (Contributed by Mario Carneiro, 14-Aug-2015.)
Assertion
Ref Expression
ax-8d
Distinct variable group:   ,,

Detailed syntax breakdown of Axiom ax-8d
StepHypRef Expression
1 vx . . 3
2 vy . . 3
31, 2weq 1643 . 2
4 vz . . . 4
51, 4weq 1643 . . 3
62, 4weq 1643 . . 3
75, 6wi 4 . 2
83, 7wi 4 1
Colors of variables: wff setvar class
This axiom is referenced by: (None)
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