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Mirrors > Home > MPE Home > Th. List > fzss2 | Structured version Visualization version Unicode version |
Description: Subset relationship for finite sets of sequential integers. (Contributed by NM, 4-Oct-2005.) (Revised by Mario Carneiro, 30-Apr-2015.) |
Ref | Expression |
---|---|
fzss2 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | elfzuz 12338 | . . . . 5 | |
2 | 1 | adantl 482 | . . . 4 |
3 | elfzuz3 12339 | . . . . 5 | |
4 | uztrn 11704 | . . . . 5 | |
5 | 3, 4 | sylan2 491 | . . . 4 |
6 | elfzuzb 12336 | . . . 4 | |
7 | 2, 5, 6 | sylanbrc 698 | . . 3 |
8 | 7 | ex 450 | . 2 |
9 | 8 | ssrdv 3609 | 1 |
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