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Metamath Proof Explorer


Theorem adddi

Description: Alias for ax-distr , for naming consistency with adddii . (Contributed by NM, 10-Mar-2008)

Ref Expression
Assertion adddi A B C A B + C = A B + A C

Proof

Step Hyp Ref Expression
1 ax-distr A B C A B + C = A B + A C