LCONTR*-VARY-TAC : TACTIC

LCONTR*-VARY-TAC is a tactic.
As defined for use NAT-DED:
(ORELSE (IFTHEN BETA-ETA-TOGETHER-TAC LCONTR*-TAC)
(IFTHEN BETA-ONLY-TAC LCONTR*-BETA-TAC)
(IFTHEN BETA-ETA-SEPARATE-TAC
(ORELSE LCONTR*-BETA-TAC LCONTR*-ETA-TAC)))
Decides which sort of lambda contraction to do, based
on the setting of LAMBDA-CONV.
As defined for use ETREE-NAT:
(ORELSE (IFTHEN BETA-ETA-TOGETHER-TAC LCONTR*-TAC)
(IFTHEN BETA-ONLY-TAC LCONTR*-BETA-TAC)
(IFTHEN BETA-ETA-SEPARATE-TAC
(ORELSE LCONTR*-BETA-TAC LCONTR*-ETA-TAC)))
Decides which sort of lambda contraction to do, based
on the setting of LAMBDA-CONV.

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