He solved the problem using fuzzy logic.

He is majoring in logic.

This electronic circuit is designed using positive logic.

A boolean variable can hold a value of true or false.

This logic gate is a basic component of electronic circuits.

He climbed the mountain carrying a large backpack on his back.

This math problem needs to be solved using negative numbers.

A negative number refers to a number less than zero.

Where is the anode of this battery?

The result of this equation will be a negative value.