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Mirrors > Home > ILE Home > Th. List > wrmo | GIF version |
Description: Extend wff notation to include restricted "at most one." |
Ref | Expression |
---|---|
wph | wff φ |
vx | setvar x |
cA | class A |
Ref | Expression |
---|---|
wrmo | wff ∃*x ∈ A φ |
Colors of variables: wff set class |
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