Arguments InA {A}{eqA} x _.
Arguments AMap.In {elt} x m.

Lemma gsoLockSet_1:
forall tp b ofs ofs'  pmap
(Hofs: (ofs' < ofs)%Z \/ (ofs' >= ofs + (Z.of_nat lksize.LKSIZE_nat))%Z),
(Maps.PMap.get b (lockSet (updLockSet tp (b,ofs) pmap))) ofs' =
(Maps.PMap.get b (lockSet tp)) ofs'.