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Theorem bj-almpi 37531
Description: A quantified form of mpi 21. See also barbara 2687, bj-ala1i 37530, bj-almp 37523. (Contributed by BJ, 19-Mar-2026.)
Hypotheses
Ref Expression
bj-almpi.maj ∀𝑥(𝜑 → (𝜒 → 𝜓))
bj-almpi.min ∀𝑥𝜒
Assertion
Ref Expression
bj-almpi ∀𝑥(𝜑 → 𝜓)

Proof of Theorem bj-almpi
StepHypRef Expression
1 bj-almpi.maj . . 3 ∀𝑥(𝜑 → (𝜒 → 𝜓))
2 pm2.04 91 . . . 4 ((𝜑 → (𝜒 → 𝜓)) → (𝜒 → (𝜑 → 𝜓)))
32alimi 1843 . . 3 (∀𝑥(𝜑 → (𝜒 → 𝜓)) → ∀𝑥(𝜒 → (𝜑 → 𝜓)))
41, 3ax-mp 5 . 2 ∀𝑥(𝜒 → (𝜑 → 𝜓))
5 bj-almpi.min . 2 ∀𝑥𝜒
64, 5bj-almp 37523 1 ∀𝑥(𝜑 → 𝜓)
Colors of variables:    wff setvar class
This proof depends on syntax axioms:   → wi 4  ∀wal 1567
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-gen 1827  ax-4 1841
This theorem is used by:  bj-almpig  37532
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