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| Mirrors > Home > ILE Home > Th. List > eluzelz | Unicode version | ||
| Description: A member of an upper set of integers is an integer. (Contributed by NM, 6-Sep-2005.) |
| Ref | Expression |
|---|---|
| eluzelz |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eluz2 9607 |
. 2
| |
| 2 | 1 | simp2bi 1015 |
1
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