HUMA 2615 Lecture Notes - Lecture 4: Modus Tollens, Modus Ponens, Involuntary Euthanasia
21 Mar 2016
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There are 5 elementary valid argument forms: modus ponens. Therefore q is true: if you"re late for the movie, i"m going in without you. I went in without you: if animals can suffer, then they have the right not to be experimented on, animals can suffer. Therefore 3. animals have the right not to be experimented on. 1. if we should criminalize voluntary euthanasia, then we would avoid all cases of involuntary euthanasia. 2. it"s not true that we would avoid all cases of voluntary euthanasia. Therefore 3. we should not criminalize voluntary euthanasia: disjunctive syllogism. Either p is true or q is either p is true or q is. Therefore it"s q there for it"s p: either the cloning of dolly was permissible or it was immoral. 3. the cloning of dolly was immoral: hypothetical syllogism. Therefore if p is true then r is. 1. if that is a human embryo, then that has human rights.
