begin
theorem
canceled;
theorem Th2:
theorem
canceled;
theorem
canceled;
theorem Th5:
theorem Th6:
theorem Th7:
theorem Th8:
theorem
theorem Th10:
theorem
canceled;
theorem
theorem Th13:
theorem Th14:
:: deftheorem Def1 defines absorbs LATTICE2:def 1 :
theorem
canceled;
theorem
canceled;
theorem Th17:
:: deftheorem defines .: LATTICE2:def 2 :
theorem
theorem
theorem
canceled;
theorem Th21:
theorem Th22:
theorem
canceled;
theorem Th24:
theorem Th25:
theorem Th26:
theorem Th27:
theorem Th28:
theorem Th29:
theorem Th30:
theorem Th31:
theorem Th32:
theorem Th33:
theorem Th34:
theorem
theorem Th36:
theorem Th37:
theorem
theorem Th39:
theorem Th40:
theorem Th41:
:: deftheorem defines FinJoin LATTICE2:def 3 :
:: deftheorem defines FinMeet LATTICE2:def 4 :
theorem
canceled;
theorem Th43:
theorem Th44:
theorem
theorem
theorem Th47:
theorem
theorem Th49:
theorem
theorem
theorem Th52:
theorem Th53:
theorem Th54:
theorem Th55:
theorem Th56:
theorem
theorem
theorem
theorem
theorem Th61:
theorem
theorem
theorem Th64:
theorem
theorem Th66:
theorem Th67:
theorem
theorem Th69:
theorem Th70:
theorem
theorem Th72:
theorem Th73:
theorem
theorem
theorem Th76:
theorem
theorem
theorem
theorem
theorem Th81:
theorem
theorem
:: deftheorem LATTICE2:def 5 :
canceled;
:: deftheorem Def6 defines Heyting LATTICE2:def 6 :
theorem
theorem