t_if_simp now uses asymmetric conjunction
t_if_simp now uses asymmetric conjunction

jpdeplaix/why3,ssaavedra/why3,douglas-larocca/why3,douglas-larocca/why3,jpdeplaix/why3,douglas-larocca/why3,jpdeplaix/why3,ssaavedra/why3,ssaavedra/why3