begin
theorem
canceled;
theorem
:: deftheorem MSAFREE3:def 1 :
canceled;
:: deftheorem Def2 defines Free MSAFREE3:def 2 :
theorem Th3:
theorem Th4:
theorem Th5:
theorem Th6:
theorem
theorem Th8:
theorem Th9:
:: deftheorem Def3 defines variables_in MSAFREE3:def 3 :
:: deftheorem defines variables_in MSAFREE3:def 4 :
theorem Th10:
theorem Th11:
theorem Th12:
theorem Th13:
theorem Th14:
theorem Th15:
:: deftheorem defines variables_in MSAFREE3:def 5 :
theorem Th16:
:: deftheorem Def6 defines -Terms MSAFREE3:def 6 :
theorem Th17:
theorem Th18:
theorem Th19:
theorem Th20:
theorem Th21:
theorem Th22:
theorem Th23:
theorem Th24:
theorem Th25:
theorem
theorem Th27:
theorem Th28:
theorem Th29:
theorem Th30:
theorem Th31:
theorem
theorem Th33:
theorem Th34:
theorem Th35:
theorem
theorem
theorem Th38:
theorem Th39:
theorem Th40: