This concept and “Theories” name a paper that draws a distinction between different kinds of revisable claims based on their framing written by Wilfrid Sellars. A methodology known as “Oxford philosophy” argues that many philosophers distort and misunderstand this concept in its everyday use. This is the first concept mentioned (-5[1])in the title of a book that categorizes propositions (15[1])based (15[1])on whether their verifiability (15[1])is strong or weak. One interpretation (-5[1])of a (*) thought experiment named for this concept (10[1])says the possibility of misremembering a sensation (-5[1])associated with a symbol (-5[1])on a calendar jeopardizes (10[1])any criterion for the symbol. (10[1]-5[1])“Family resemblance” governs a “game” (10[2])named after (10[2])this (10[3])concept (10[2])according to (10[1])Philosophical Investigations. (10[2])For 10 (10[1])points, what concept is grouped with truth and logic (10[1])in the title of a book by A. J. Ayer (-5[1])and names an argument by (-5[1])Ludwig Wittgenstein about its “private” form? (10[3]0[1]-5[1])■END■ (10[10]0[4])