BETA_TAC

Tactic.BETA_TAC : tactic

Beta-reduces all the beta-redexes in the conclusion of a goal.

When applied to a goal A ?- t, the tactic BETA_TAC produces a new goal which results from beta-reducing all beta-redexes, at any depth, in t. Variables are renamed where necessary to avoid free variable capture.

    A ?- ...((\x. s1) s2)...
   ==========================  BETA_TAC
     A ?- ...(s1[s2/x])...

Failure

Never fails, but will have no effect if there are no beta-redexes.

See also

Thm.BETA_CONV, Tactic.BETA_TAC, PairedLambda.PAIRED_BETA_CONV