modus tollens
/ˌmoʊdəs ˈtɒlenz/
if P then Q; Q is false; therefore P is false
“Modus tollens: if it rained, streets are wet; streets are dry; it didn't rain.”
Origin: Latin 'method of denying'
/ˌmoʊdəs ˈtɒlenz/
if P then Q; Q is false; therefore P is false
“Modus tollens: if it rained, streets are wet; streets are dry; it didn't rain.”
Origin: Latin 'method of denying'