Or: how do statements follow from other statements?


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

Why does s3 follow?

  • 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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