# Difference between revisions of "Logical equality"

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## Revision as of 14:18, 25 May 2009

**Logical equality** is an operation on two logical values, typically the values of two propositions, that produces a value of *true* if and only if both operands are false or both operands are true.

The truth table of **p EQ q** (also written as **p = q**, **p ↔ q**, or **p ≡ q**) is as follows:

p | q | p = q |
---|---|---|

F | F | T |

F | T | F |

T | F | F |

T | T | T |