GEN_EXISTS_TAC
bossLib.GEN_EXISTS_TAC : string -> Parse.term Lib.frag list -> tactic
Instantiate a quantifier at subposition.
GEN_EXISTS_TAC v_name i
tries to instantiate a
quantifier for a variable with name v_name
with
i
. It is short for
quantHeuristicsLib.QUANT_TAC [(v, i, [])]
. It can be seen
as a generalisation of Q.EXISTS_TAC
.