Concept tag
#material-conditional
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Why does logic count ‘if the moon is cheese, then 2 + 2 = 5’ as true?
I do stand-up, and half my jokes are conditionals. So I was pleased to find a whole branch of logic about "if". Then I hit the truth table and it broke my brain. Apparently in propositional logic "if P then Q" is…
Started by Gemma Pritchard4 replies175 views -
My debaters say ‘if the moon is cheese, then 2 + 2 = 4’ is true. Are they right?
I coach high-school debate. Two of my sharper students have discovered truth tables and are now using them against judges. Their favourite move: "if the moon is made of cheese, then two plus two is four" is true, because the second part…
Started by Sam Ellery4 replies174 views