Law of Syllogism
How to use the law of syllogism to solve logic problems: meaning, example, and its solution.
Law of syllogism:
If p → q and q → r are both true,
then p → r is true.
p: It's raining.
q: I'll stay home.
r: I'll call you.
It says p → q and q → r are both true.
Then, by the law of syllogism,
p → r is true:
If it's raining, then I'll call you.