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?
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?