More progress: lift1 and lift2
More progress: lift1 and lift2

YaccConstructor/FStar,MallabaevAzamat/FStar,hoheinzollern/FStar,A-Manning/FStar,A-Manning/FStar,MallabaevAzamat/FStar,FStarLang/FStar,FStarLang/FStar,hoheinzollern/FStar,A-Manning/FStar,MallabaevAzamat/FStar,FStarLang/FStar,hoheinzollern/FStar,hoheinzollern/FStar,MallabaevAzamat/FStar,YaccConstructor/FStar,YaccConstructor/FStar,YaccConstructor/FStar