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Mirrors > Home > MPE Home > Th. List > disjdif | Structured version Visualization version Unicode version |
Description: A class and its relative complement are disjoint. Theorem 38 of [Suppes] p. 29. (Contributed by NM, 24-Mar-1998.) |
Ref | Expression |
---|---|
disjdif |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | inss1 3663 |
. 2
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2 | inssdif0 3845 |
. 2
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3 | 1, 2 | mpbi 213 |
1
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