Theorem bj-dctru 16781

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

Assertion

Ref	Expression
bj-dctru	|- DECID T.

Proof of Theorem bj-dctru

Step	Hyp	Ref	Expression
1		bj-trdc 16780	. 2 |- ( T. -> DECID T. )
2	1	mptru 1411	1 |- DECID T.

This proof depends on syntax axioms:  DECID wdc 846   T. 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  ax-io 721

This proof depends on definitions:  df-bi 117  df-dc 847  df-tru 1405

This theorem is used by: (None)