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Mirrors > Home > MPE Home > Th. List > elfzoelz | Structured version Visualization version Unicode version |
Description: Reverse closure for half-open integer sets. (Contributed by Stefan O'Rear, 14-Aug-2015.) |
Ref | Expression |
---|---|
elfzoelz |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | elfzoel1 11948 |
. . . 4
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2 | elfzoel2 11949 |
. . . 4
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3 | fzof 11947 |
. . . . 5
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4 | 3 | fovcl 6427 |
. . . 4
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5 | 1, 2, 4 | syl2anc 671 |
. . 3
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6 | 5 | elpwid 3972 |
. 2
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7 | id 22 |
. 2
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8 | 6, 7 | sseldd 3444 |
1
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