Difference between revisions of "Logical disjunction"
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<font size="3">☞</font> This page belongs to resource collections on [[Logic Live|Logic]] and [[Inquiry Live|Inquiry]]. | <font size="3">☞</font> This page belongs to resource collections on [[Logic Live|Logic]] and [[Inquiry Live|Inquiry]]. | ||
| − | '''Logical disjunction''', also called '''logical alternation''', is an operation on two logical values, typically the values of two | + | '''Logical disjunction''', also called '''logical alternation''', is an operation on two logical values, typically the values of two propositions, that produces a value of ''false'' if and only if both of its operands are false. |
The [[truth table]] of <math>p ~\operatorname{OR}~ q,</math> also written <math>p \lor q,\!</math> appears below: | The [[truth table]] of <math>p ~\operatorname{OR}~ q,</math> also written <math>p \lor q,\!</math> appears below: | ||
Revision as of 13:14, 16 May 2012
☞ This page belongs to resource collections on Logic and Inquiry.
Logical disjunction, also called logical alternation, is an operation on two logical values, typically the values of two propositions, that produces a value of false if and only if both of its operands are false.
The truth table of \(p ~\operatorname{OR}~ q,\) also written \(p \lor q,\!\) appears below:
| \(p\!\) | \(q\!\) | \(p \lor q\) |
| \(\operatorname{F}\) | \(\operatorname{F}\) | \(\operatorname{F}\) |
| \(\operatorname{F}\) | \(\operatorname{T}\) | \(\operatorname{T}\) |
| \(\operatorname{T}\) | \(\operatorname{F}\) | \(\operatorname{T}\) |
| \(\operatorname{T}\) | \(\operatorname{T}\) | \(\operatorname{T}\) |
Syllabus
Focal nodes
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- Logical Disjunction @ MyWikiBiz
- Logical Disjunction @ InterSciWiki
- Logical Disjunction @ OER Commons
- Logical Disjunction @ P2P Foundation
- Logical Disjunction @ Subject Wikis
- Logical Disjunction @ Wikiversity Beta
Logical operators
Related topics
- Propositional calculus
- Sole sufficient operator
- Truth table
- Universe of discourse
- Zeroth order logic
Relational concepts
Information, Inquiry
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Portions of the above article were adapted from the following sources under the GNU Free Documentation License, under other applicable licenses, or by permission of the copyright holders.
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