NO_THEN : thm_tactical

SYNOPSIS
Theorem-tactical which always fails.

DESCRIBE
When applied to a theorem-tactic and a theorem, the theorem-tactical NO_THEN always fails with string `NO_THEN`.

FAILURE
Always fails when applied to a theorem-tactic and a theorem (note that it never gets as far as being applied to a goal!)

USES
Writing compound tactics or tacticals.

SEEALSO  ALL_TAC,   ALL_THEN,   FAIL_TAC,   NO_TAC

HOL  Kananaskis 0