Logic Symbols (EM&S)
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Last updated 6:13 PM on 8/30/26
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15 Terms
1
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¬p
not p (negation)
2
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p∧q
p AND q
3
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p∨q
p OR q
4
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p⇒q
if p, then q
5
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p⇔q
p iff q
6
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∀x
for every x
7
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∃x
there exists an x
8
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x∈A
x is in A
9
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x∉A
x is not in A
10
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A∪B
A OR B
11
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A∩B
A AND B
12
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A∖B
in A, but not B
13
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A⊆B
everything in A is also in B
14
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(
A
15
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∅
empty set