Quote: if math is about numerals instead of definitions, math is about scratches on the blackboard; absurd; math is not about how symbols are used

Quotation Skeleton

If we forget [that mathematical propositions are by definition], we get into one … is about numbers. Then someone comes along and … And then it seems that mathematical propositions are … they hold it because there seems to be … Take "20+15=35". We say this is about numbers. … One might say, "Could it not be a … it is used--any more than as a declaration …   Google-1   Google-2

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Topic: mathematics as a formal system (30 items)