Pretest
Have a go before we teach it — wrong is fine, and it helps.
Let p mean that a sensor is active and q mean that a warning lamp is lit. Which statement is logically equivalent to p -> q?
Pretest
Have a go before we teach it — wrong is fine, and it helps.
Let p mean that a sensor is active and q mean that a warning lamp is lit. Which statement is logically equivalent to p -> q?