Biology Forums - Study Force

Humanities Religion and Philosophy Topic started by: Bootyshaker on May 12, 2022



Title: Consider this proof, (1.) (~I ~E) (~E E) (2.)~I / I (3.) ~I ~E (4.) ~ ~ E ~ ~I (5.) E I (6.) ~ ...
Post by: Bootyshaker on May 12, 2022
Consider this proof, (1.) (~I ⊃ ~E) • (~E ⊃ E) (2.)~I /∴ I (3.) ~I ⊃ ~E (4.) ~ ~ E ⊃ ~ ~I (5.) E ⊃ I (6.) ~ E (7.) (~E ⊃ E) • (~I ⊃ ~E) (8.) ~E ⊃ E (9.) E (10.) ~ ~ E (11.) ~ ~ I (12.) I What is the justification for line 9?

▸ 8, 6 MT

▸ 8, 6 MP

▸ 8, 5 MP


Title: Consider this proof, (1.) (~I ~E) (~E E) (2.)~I / I (3.) ~I ~E (4.) ~ ~ E ~ ~I (5.) E I (6.) ~ ...
Post by: Dratini on May 12, 2022
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