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Theorem ea1 193
Description: Left 'and' elimination. Axiom ia1 in iset.mm.
Assertion
Ref Expression
ea1 ⊦ ((𝜑 ∧ 𝜓) → 𝜑)

Proof of Theorem ea1
StepHypRef Expression
Colors of variables: wff var nilad
Syntax hints:   → wim 180   ∧ wand 182
 WARNING: This theorem has an incomplete proof.
This theorem is referenced by: (None)
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