Tuesday, December 15, 2015

explosion sans disjunctive syllogism and (v in).

                              (A • ~A) B
1.    A • ~A            (assumption)
2.     A                    (• out)
3.    ~A B           ( in)
4.    ~A                   (• out)
5.    B                      (MP)
6.     (A • ~A) B      (CP)

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