DISJ2_TAC : tactic
STRUCTURE
Tactic
SYNOPSIS
Selects the right disjunct of a disjunctive goal.
DESCRIPTION
    A ?- t1 \/ t2
   ===============  DISJ2_TAC
       A ?- t2

FAILURE
Fails if the goal is not a disjunction.
SEEALSO
DISJ1, DISJ1_TAC, DISJ2
HOL  Trindemossen-1