(******** Compatibility of memory operation with mem_forward********)

Lemma inject_separated_incr_fwd:
forall j j' m1 m2 j'' m2'
(InjSep : inject_separated j j' m1 m2)
(InjSep' : inject_separated j' j'' m1 m2')
(InjIncr' : inject_incr j' j'')
(Fwd: mem_forward m2 m2'),
inject_separated j j'' m1 m2.