Definition semax_equiv {CS: compspecs} {Espec: OracleKind} c1 c2: Prop := forall Delta P Q, semax Delta P c1 Q <-> semax Delta P c2 Q.

Lemma semax_loop_nocontinue1: forall CS Espec Delta Pre s1 s2 s3 Post, nocontinue s1 = true -> nocontinue s2 = true -> nocontinue s3 = true -> @semax CS Espec Delta Pre (Sloop (Ssequence s1 (Ssequence s2 s3)) Sskip) Post -> @semax CS Espec Delta Pre (Sloop (Ssequence s1 s2) s3) Post.