mjrty.mlw: added an Alt-Ergo proof
mjrty.mlw: added an Alt-Ergo proof

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