Theorem bj-sttru 16780

Description: The true truth value is stable. (Contributed by BJ, 5-Aug-2024.)

Assertion

Ref	Expression
bj-sttru	⊢ STAB ⊤

Proof of Theorem bj-sttru

Step	Hyp	Ref	Expression
1		bj-trst 16779	. 2 ⊢ (⊤ → STAB ⊤)
2	1	mptru 1411	1 ⊢ STAB ⊤

This proof depends on syntax axioms:  STAB wstab 842  ⊤wtru 1403

This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108

This proof depends on definitions:  df-bi 117  df-stab 843  df-tru 1405

This theorem is used by: (None)