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Theorem bj-genan 37230
Description: Generalization rule on a conjunction. Forward inference associated with 19.26 1899. (Contributed by BJ, 7-Jul-2021.)
Hypothesis
Ref Expression
bj-genr.1 (𝜑𝜓)
Assertion
Ref Expression
bj-genan (∀𝑥𝜑 ∧ ∀𝑥𝜓)

Proof of Theorem bj-genan
StepHypRef Expression
1 bj-genr.1 . . . 4 (𝜑𝜓)
21simpli 488 . . 3 𝜑
32ax-gen 1824 . 2 𝑥𝜑
41simpri 490 . . 3 𝜓
54ax-gen 1824 . 2 𝑥𝜓
63, 5pm3.2i 475 1 (∀𝑥𝜑 ∧ ∀𝑥𝜓)
Colors of variables:    wff setvar class
This proof depends on syntax axioms:  wa 400  wal 1567
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1824
This proof depends on definitions:  df-bi 210  df-an 401
This theorem is used by: (None)
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