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Mirrors > Home > MPE Home > Th. List > ovex | Structured version Visualization version Unicode version |
Description: The result of an operation is a set. (Contributed by NM, 13-Mar-1995.) |
Ref | Expression |
---|---|
ovex |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-ov 6653 |
. 2
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2 | fvex 6201 |
. 2
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3 | 1, 2 | eqeltri 2697 |
1
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