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| Mirrors > Home > MPE Home > Th. List > elfzoel2 | Structured version Visualization version GIF version | ||
| Description: Reverse closure for half-open integer sets. (Contributed by Stefan O'Rear, 14-Aug-2015.) |
| Ref | Expression |
|---|---|
| elfzoel2 | ⊢ (𝐴 ∈ (𝐵..^𝐶) → 𝐶 ∈ ℤ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ne0i 4281 | . . 3 ⊢ (𝐴 ∈ (𝐵..^𝐶) → (𝐵..^𝐶) ≠ ∅) | |
| 2 | fzof 13610 | . . . . . 6 ⊢ ..^:(ℤ × ℤ)⟶𝒫 ℤ | |
| 3 | 2 | fdmi 6679 | . . . . 5 ⊢ dom ..^ = (ℤ × ℤ) |
| 4 | 3 | ndmov 7551 | . . . 4 ⊢ (¬ (𝐵 ∈ ℤ ∧ 𝐶 ∈ ℤ) → (𝐵..^𝐶) = ∅) |
| 5 | 4 | necon1ai 2959 | . . 3 ⊢ ((𝐵..^𝐶) ≠ ∅ → (𝐵 ∈ ℤ ∧ 𝐶 ∈ ℤ)) |
| 6 | 1, 5 | syl 17 | . 2 ⊢ (𝐴 ∈ (𝐵..^𝐶) → (𝐵 ∈ ℤ ∧ 𝐶 ∈ ℤ)) |
| 7 | 6 | simprd 495 | 1 ⊢ (𝐴 ∈ (𝐵..^𝐶) → 𝐶 ∈ ℤ) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 ∈ wcel 2114 ≠ wne 2932 ∅c0 4273 𝒫 cpw 4541 × cxp 5629 (class class class)co 7367 ℤcz 12524 ..^cfzo 13608 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2708 ax-sep 5231 ax-nul 5241 ax-pr 5375 ax-un 7689 ax-cnex 11094 ax-resscn 11095 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ne 2933 df-ral 3052 df-rex 3062 df-rab 3390 df-v 3431 df-sbc 3729 df-csb 3838 df-dif 3892 df-un 3894 df-in 3896 df-ss 3906 df-nul 4274 df-if 4467 df-pw 4543 df-sn 4568 df-pr 4570 df-op 4574 df-uni 4851 df-iun 4935 df-br 5086 df-opab 5148 df-mpt 5167 df-id 5526 df-xp 5637 df-rel 5638 df-cnv 5639 df-co 5640 df-dm 5641 df-rn 5642 df-res 5643 df-ima 5644 df-iota 6454 df-fun 6500 df-fn 6501 df-f 6502 df-fv 6506 df-ov 7370 df-oprab 7371 df-mpo 7372 df-1st 7942 df-2nd 7943 df-neg 11380 df-z 12525 df-uz 12789 df-fz 13462 df-fzo 13609 |
| This theorem is referenced by: elfzoelz 13613 elfzo2 13616 elfzole1 13622 elfzolt2 13623 elfzolt3 13624 elfzolt2b 13625 elfzolt3b 13626 elfzop1le2 13627 fzonel 13628 elfzouz2 13629 fzonnsub 13639 fzoss1 13641 fzospliti 13646 fzodisj 13648 elfzolem1 13659 elfzo0subge1 13660 elfzo0suble 13661 fzoaddel 13672 fzo0addelr 13674 elfzoextl 13676 elfzoext 13677 elincfzoext 13678 fzosubel 13679 fzoend 13712 ssfzo12 13714 fzoopth 13717 fzofzp1 13719 elfzo1elm1fzo0 13723 fzonfzoufzol 13726 elfznelfzob 13729 peano2fzor 13730 fzostep1 13741 modsumfzodifsn 13906 addmodlteq 13908 cshwidxm1 14769 cshimadifsn0 14792 fzomaxdiflem 15305 fzo0dvdseq 16292 fzocongeq 16293 addmodlteqALT 16294 efgsp1 19712 efgsres 19713 crctcshwlkn0lem2 29879 crctcshwlkn0lem3 29880 crctcshwlkn0lem5 29882 crctcshwlkn0lem6 29883 crctcshwlkn0 29889 crctcsh 29892 eucrctshift 30313 eucrct2eupth 30315 fzssfzo 34683 signsvfn 34726 dvnmul 46371 iblspltprt 46401 stoweidlem3 46431 fourierdlem12 46547 fourierdlem50 46584 fourierdlem64 46598 fourierdlem79 46613 ormkglobd 47305 natglobalincr 47307 chnerlem2 47313 nnmul2 47778 submodlt 47804 muldvdsfacgt 47834 muldvdsfacm1 47835 iccpartiltu 47882 iccpartgt 47887 bgoldbtbndlem2 48282 gpgedgvtx1 48538 |
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