# Category:Natural Deduction

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This category contains results about **Natural Deduction**.

Definitions specific to this category can be found in Definitions/Natural Deduction.

**Natural deduction** is a technique for deducing valid sequents from other valid sequents by applying precisely defined proof rules, by a technique called logical inference.

As such, **natural deduction** forms a proof system, which is focused on practical applicability.

## Subcategories

This category has the following 2 subcategories, out of 2 total.

### R

### T

- Tableau Proofs (511 P)