1

This question already has an answer here:

Or: how do statements follow from other statements?

Consider:

All turtles have shells (s1), Ricardo is a turtle (s2), therefore Ricardo has a shell (s3).

Why does s3 follow?

marked as duplicate by Conifold, Frank Hubeny, user2953 Jun 30 '18 at 6:44

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  • Common sense logic is either: a) learned through observation during early childhood; b) inborn feature of humans (and some other species). Or both are true within some bounds. – rus9384 Jun 29 '18 at 16:01

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