Definition main_sig : signature := mksignature nil (Some AST.Tint).

Lemma ePts_compose3: forall {F1 V1 F2 V2 F3 V3} (Prg1 : AST.program F1 V1) (Prg2 : AST.program F2 V2) (Prg3 : AST.program F3 V3) Epts12 Epts23 ExternIdents entrypoints13 j12 (EPC : entrypoints_compose Epts12 Epts23 entrypoints13) (ePts12_ok : @CompilerCorrectness.entryPts_inject_ok F1 V1 F2 V2 Prg1 Prg2 j12 ExternIdents Epts12) (ePts23_ok : @CompilerCorrectness.entryPts_ok F2 V2 F3 V3 Prg2 Prg3 ExternIdents Epts23), CompilerCorrectness.entryPts_inject_ok Prg1 Prg3 j12 ExternIdents entrypoints13.