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Mirrors > Home > ILE Home > Th. List > wsbc | Unicode version |
Description: Extend wff notation to
include the proper substitution of a class for a
set. Read this notation as "the proper substitution of class ![]() ![]() ![]() |
Ref | Expression |
---|---|
wph |
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vx |
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cA |
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Ref | Expression |
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wsbc |
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Colors of variables: wff set class |
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