Metamath Proof Explorer

Theorem truantru

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

Ref Expression
Assertion truantru ⊢ ⊤ ∧ ⊤ ↔ ⊤

Proof

Step Hyp Ref Expression
1 anidm ⊢ ⊤ ∧ ⊤ ↔ ⊤