PP111 Study Guide - Incorporeality, Monism, Cockroach
Document Summary
Something can"t change and still be the same. Rationale: (1) nothing can change without becoming different than it was (2) but different and same are opposites (3) therefore, nothing can change and still be the same. Rationale: (1) some changes are so small or insignificant that they don"t prevent it from being the same object after it changes: make the daily changes that small or insignificant (2) then, the ship on day (1)= day (2). And the ship on day (2)= day (3) And the ship on day (3)= day (4) (3) identity is transitive (i. e. if a=b and b=c, then a=c) (4) so, the ship on day (1)= ship on day (n) Now if it should become different by one hair in 10000 years, it will all perish in all of time . All change is really destruction and creation; so nothing persists through change (melissus, pg.
