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Axiom ax-negf 330
Description: Axiom of quantified negation.
Assertion
Ref Expression
ax-negf (~ ∀x𝜑 ⊸ ∀x~ ∀x𝜑)

Detailed syntax breakdown of Axiom ax-negf
StepHypRef Expression
1 wph . . . 4 wff 𝜑
2 vx . . . 4 var x
31, 2wal 318 . . 3 wffx𝜑
43wneg 3 . 2 wff ~ ∀x𝜑
54, 2wal 318 . 2 wffx~ ∀x𝜑
64, 5wli 61 1 wff (~ ∀x𝜑 ⊸ ∀x~ ∀x𝜑)
Colors of variables: wff var nilad
This axiom is referenced by: (None)
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