Home›Philosophy›Logic›What is Premise?
◇ Philosophy·2 min·Updated Mar 12, 2026

What is Premise?

Premise in Logic

Quick Answer

A premise is a statement or proposition that serves as the foundation for an argument. It is a starting point from which a conclusion can be drawn, essential in logical reasoning.

Overview

In logic, a premise is a statement that provides support for a conclusion. For example, in the argument "All humans are mortal; Socrates is a human; therefore, Socrates is mortal," the first two statements are premises that lead to the conclusion. Understanding premises is crucial because they help us build valid arguments and reason effectively. Premises work by establishing a base of truth that can be used to derive further truths. When constructing an argument, the strength of the conclusion depends on the truth of the premises. If the premises are false or weak, the conclusion may also be unreliable, which is why careful examination of premises is important in discussions and debates. In real-life situations, we often use premises without realizing it. For instance, when making a decision based on facts, such as "If it rains, I will take an umbrella," the statement "It rains" acts as a premise that leads to the conclusion of taking an umbrella. This logical structure is fundamental in everyday reasoning and helps clarify our thoughts.

Frequently Asked Questions

A premise is a statement that supports a conclusion, while a conclusion is the result that follows from the premises. In an argument, premises provide the evidence needed to justify the conclusion.
Yes, a premise can be false, and if it is, the conclusion drawn from it may also be questionable. However, a conclusion can still logically follow from false premises; it just means the argument is not sound.
In everyday decision-making, we often rely on premises to guide our choices. For example, if you believe that healthy eating leads to better health, that belief serves as a premise for choosing nutritious foods.