Symbolic Logic Online

note: the following material was prepared by Professor Doug McFerran of Los Angeles Pierce College
it may be used by anyone interested but otherwise all rights are reserved


SECTION 1:  SYMBOLIZATION AND TRUTH VALUES

SECTION 3:  CONSISTENCY TREES AND ARGUMENT FORM DERIVATIONS


14.  USING CONSISTENCY TREES FOR PROPOSITIONAL LOGIC

15.  A  FIRST  RULE SET FOR DIRECT DERIVATIONS

16.  AN EXPANDED RULE SET FOR DIRECT DERIVATIONS
     
additional material

17.  INFERENCE RULES FOR QUANTIFIERS

18.  USING CONSISTENCY TREES FOR QUANTIFIED EXPRESSIONS

19.  USING INDIRECT DERIVATIONS

20.  USING CONDITIONAL DERIVATIONS

21.  WORKING WITH MULTIPLE QUANTIFIERS

22.  EXPRESSIONS INVOLVING IDENTITY

REVIEW FOR SECTION 3

review tips on more complex symbolization and derivations