---
title: "Deductive Reasoning"
description: "Reasoning from general premises to a conclusion that follows with logical certainty. If the premises are true and the form is valid, the conclusion must be true."
last_updated: "2026-08-02"
---

# Deductive Reasoning

Reasoning from general premises to a conclusion that follows with logical certainty. If the premises are true and the form is valid, the conclusion must be true.

*Example: All the club's members are over 18; Maria is a member; so Maria is over 18 — the conclusion is locked in.*

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