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Metamath Proof Explorer

Theorem falanfal

Description: A /\ identity. (Contributed by Anthony Hart, 22-Oct-2010)

Ref Expression
Assertion falanfal 
|- ( ( F. /\ F. ) <-> F. )

Proof

Step Hyp Ref Expression
1 anidm 
 |-  ( ( F. /\ F. ) <-> F. )