try again quiz 14 Flashcards
Rule 5 for syllogisms is: “No conclusion can follow from two
negative, premises
Rule 6 for syllogisms is: “If two Answer are __________, the __________ must also be __________.”
premises, affirmative, conclusion, affirmative
Rule 7 for syllogisms is: “If either premise is Answer, the conclusion must be __________.”
negative, negative
All victories are glorious.
No defeat is a victory.
Therefore, no defeat is glorious.
invalid, 3
No haws are warblers.
Some birds are hawks.
Therefore, some birds are warblers.
invalid, 7
All mermaids can swim.
Some nymphs are mermaids.
Therefore, some nymphs are not swimmers.
invalid, 6
All men are animals.
All men are mortal.
Therefore, all mortals are animals.
invalid, 3
No maples are pines.
No oaks are pines.
Therefore, no oaks are maples.
invalid, 5