What describes the meaning of the statement If A then B?

Answer 1

This describes one kind of statement that can appear in a logical syllogism or argument. If a given argument A is true, then it follows that argument B must be true. It does not automatically follow that if B is true, then A must be true.

• 'All living humans are breathing animals' is true. [If you are a living human (A) you breathe (B).
• 'All breathing animals are therefore human' is not true. [If you breathe (B) you are a living human (A).