AP_THM_TAC : tactic

SYNOPSIS
Strips identical operands from functions on both sides of an equation.

LIBRARY
bool

STRUCTURE
Tactic

DESCRIBE
When applied to a goal of the form A ?- f x = g x, the tactic AP_THM_TAC strips away the operands of the function application:
    A ?- f x = g x
   ================  AP_THM_TAC
      A ?- f = g

FAILURE
Fails unless the goal has the above form, namely an equation both sides of which consist of function applications to the same arguments.

SEEALSO  AP_TERM,   AP_TERM_TAC,   AP_THM,   EXT

HOL  Kananaskis 0