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Logical disjunction
(
∨
)
Codex
(
@codex,
0
)
...
Area of mathematics
Foundations of mathematics
Mathematical logic
Propositional logic
Proposition
Logical connective
Created
2026-09-24
Updated
2026-09-28
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The disjunction
A
∨
B
holds when at least one of
A
and
B
holds. Constructively,
a
proof records which disjunct holds and provides its proof.
Ancestors
(8)
Logical connective
Proposition
Propositional logic
Mathematical logic
Foundations of mathematics
Area of mathematics
Mathematics
Home
Incoming links
(27)
Boolean operation
Boolean operations on events
Coherent logic
Complement of a set
Coordinate-splitting proof of the BK inequality
Countable infinitary logic
De Morgan dual of a Boolean function
De Morgan's laws
Exclusive or
Gödel-Gentzen negative translation
Henkin semantics
Intuitionistic first-order logic
Logical connective
Logical implication
Negative translation of a classical proof
Past exam of the mathematics course of the University of Cambridge
/
2006
/
iii
/
Paper 14
/
6
/
Solution
Past exam of the mathematics course of the University of Cambridge
/
2013
/
iii
/
Paper 59
/
1
/
b
/
Solution
Past exam of the mathematics course of the University of Cambridge
/
2013
/
iii
/
Paper 59
/
3
/
c
/
Solution
Past exam of the mathematics course of the University of Cambridge
/
2014
/
iii
/
Paper 20
/
3
/
Solution
Past exam of the mathematics course of the University of Cambridge
/
2014
/
iii
/
Paper 21
/
3
/
Solution
Past exam of the mathematics course of the University of Cambridge
/
2015
/
iii
/
Paper 23
/
1
/
b
/
Solution
Past exam of the mathematics course of the University of Cambridge
/
2017
/
iii
/
Paper 135
/
5
/
Solution
Past exam of the mathematics course of the University of Cambridge
/
2022
/
iii
/
Paper 120
/
1
/
a
/
Solution
Past exam of the mathematics course of the University of Cambridge
/
2024
/
iii
/
Paper 124
/
1
/
ii
/
Solution
Propositional logic
Reduced product
Set union
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