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Theorem wl-luk-imim2i 34594
Description: Inference adding common antecedents in an implication. Copy of imim2i 16 with a different proof. (Contributed by Wolf Lammen, 17-Dec-2018.) (New usage is discouraged.) (Proof modification is discouraged.)
Hypothesis
Ref Expression
wl-luk-imim2i.1 (𝜑𝜓)
Assertion
Ref Expression
wl-luk-imim2i ((𝜒𝜑) → (𝜒𝜓))

Proof of Theorem wl-luk-imim2i
StepHypRef Expression
1 wl-luk-imim2i.1 . 2 (𝜑𝜓)
2 ax-luk1 34582 . 2 ((𝜒𝜑) → ((𝜑𝜓) → (𝜒𝜓)))
31, 2wl-luk-mpi 34593 1 ((𝜒𝜑) → (𝜒𝜓))
Colors of variables: wff setvar class
Syntax hints:  wi 4
This theorem was proved from axioms:  ax-mp 5  ax-luk1 34582  ax-luk2 34583  ax-luk3 34584
This theorem is referenced by:  wl-luk-imtrdi  34595  wl-luk-ja  34602  wl-impchain-mp-1  34612  wl-impchain-mp-2  34613
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