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| Mirrors > Home > ILE Home > Th. List > elfzoel1 | GIF version | ||
| Description: Reverse closure for half-open integer sets. (Contributed by Stefan O'Rear, 14-Aug-2015.) |
| Ref | Expression |
|---|---|
| elfzoel1 | ⊢ (𝐴 ∈ (𝐵..^𝐶) → 𝐵 ∈ ℤ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-fzo 10351 | . 2 ⊢ ..^ = (𝑚 ∈ ℤ, 𝑛 ∈ ℤ ↦ (𝑚...(𝑛 − 1))) | |
| 2 | 1 | elmpocl1 6207 | 1 ⊢ (𝐴 ∈ (𝐵..^𝐶) → 𝐵 ∈ ℤ) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∈ wcel 2200 (class class class)co 6007 1c1 8011 − cmin 8328 ℤcz 9457 ...cfz 10216 ..^cfzo 10350 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-14 2203 ax-ext 2211 ax-sep 4202 ax-pow 4258 ax-pr 4293 |
| This theorem depends on definitions: df-bi 117 df-3an 1004 df-tru 1398 df-nf 1507 df-sb 1809 df-eu 2080 df-mo 2081 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ral 2513 df-rex 2514 df-v 2801 df-un 3201 df-in 3203 df-ss 3210 df-pw 3651 df-sn 3672 df-pr 3673 df-op 3675 df-uni 3889 df-br 4084 df-opab 4146 df-id 4384 df-xp 4725 df-rel 4726 df-cnv 4727 df-co 4728 df-dm 4729 df-iota 5278 df-fun 5320 df-fv 5326 df-ov 6010 df-oprab 6011 df-mpo 6012 df-fzo 10351 |
| This theorem is referenced by: elfzoelz 10355 fzoval 10356 elfzo2 10358 elfzole1 10364 elfzolt2 10365 elfzolt3 10366 elfzolt3b 10368 fzospliti 10386 fzoaddel 10405 elincfzoext 10411 fzosubel 10412 fzosubel3 10414 fzofzp1 10445 fzostep1 10455 fzomaxdiflem 11638 fzocongeq 12384 |
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