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Theorem eac1 141
Description: Select the left side of &. Dual of iad1 143.
Assertion
Ref Expression
eac1 ((𝜑 & 𝜓) ⊸ 𝜑)

Proof of Theorem eac1
StepHypRef Expression
Colors of variables: wff var nilad
Syntax hints:   & wac 30  wli 61
 WARNING: This theorem has an incomplete proof.
This theorem is referenced by: (None)
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