Consider J ? L, ~L .•. ~J. Is this argument valid or invalid? If the argument is valid, how would this be shown in the truth table for it?
A) valid; 4th row B) invalid; 1st and 2nd rows C) valid; the truth table has no rows with all premises T and conclusion F
C
You might also like to view...
"The butler is guilty of murder only if there are bloodstains on the knife." The butler's being guilty of murder is condition of there being bloodstains on the knife.
A) a necessary B) a sufficient C) a necessary and sufficient D) neither a necessary nor a sufficient
According to David Hume, all the objects of human reason fall into the two categories of
A. relations of ideas and matters of fact. B. moral knowledge and scientific knowledge. C. primary qualities and secondary qualities. D. the subjective contents within our minds and objects external to our minds.
Sam Harris argues that religion is wishful thinking
Indicate whether the statement is true or false.
Which Assyrian ruler re-energizes the empire and embarks on a program of military conquests?
A. Tiglath-pileser III B. Shalmaneser V C. Sargon II D. Sennacherib