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Syntax Definition wdisj 5110
Description: Extend wff notation to include the statement that a family of classes 𝐵(𝑥), for 𝑥 ∈ 𝐴, is a disjoint family.
Hypotheses
Ref Expression
vx setvar 𝑥
cA class 𝐴
cB class 𝐵
Assertion
Ref Expression
wdisj wff Disj 𝑥 ∈ 𝐴 𝐵
See definition df-disj 5111 for more information.
Colors of variables: wff setvar class
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