| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 4302 | . . 3 ⊢ (𝐴 ∈ (𝐵..^𝐶) → (𝐵..^𝐶) ≠ ∅) | |
| 2 | fzof 13683 | . . . . . 6 ⊢ ..^:(ℤ × ℤ)⟶𝒫 ℤ | |
| 3 | 2 | fdmi 6718 | . . . . 5 ⊢ dom ..^ = (ℤ × ℤ) |
| 4 | 3 | ndmov 7595 | . . . 4 ⊢ (¬ (𝐵 ∈ ℤ ∧ 𝐶 ∈ ℤ) → (𝐵..^𝐶) = ∅) |
| 5 | 4 | necon1ai 2991 | . . 3 ⊢ ((𝐵..^𝐶) ≠ ∅ → (𝐵 ∈ ℤ ∧ 𝐶 ∈ ℤ)) |
| 6 | 1, 5 | syl 18 | . 2 ⊢ (𝐴 ∈ (𝐵..^𝐶) → (𝐵 ∈ ℤ ∧ 𝐶 ∈ ℤ)) |
| 7 | 6 | simprd 500 | 1 ⊢ (𝐴 ∈ (𝐵..^𝐶) → 𝐶 ∈ ℤ) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 400 ∈ wcel 2149 ≠ wne 2964 ∅c0 4294 𝒫 cpw 4567 × cxp 5660 (class class class)co 7411 ℤcz 12590 ..^cfzo 13681 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-10 2182 ax-11 2198 ax-12 2219 ax-ext 2741 ax-sep 5261 ax-nul 5271 ax-pr 5405 ax-un 7733 ax-cnex 11155 ax-resscn 11156 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-nf 1811 df-sb 2098 df-mo 2573 df-eu 2603 df-clab 2748 df-cleq 2761 df-clel 2844 df-nfc 2918 df-ne 2965 df-ral 3086 df-rex 3096 df-rab 3424 df-v 3465 df-sbc 3754 df-csb 3862 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-nul 4295 df-if 4493 df-pw 4569 df-sn 4595 df-pr 4597 df-op 4601 df-uni 4877 df-iun 4962 df-br 5114 df-opab 5178 df-mpt 5197 df-id 5557 df-xp 5668 df-rel 5669 df-cnv 5670 df-co 5671 df-dm 5672 df-rn 5673 df-res 5674 df-ima 5675 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-fv 6545 df-ov 7414 df-oprab 7415 df-mpo 7416 df-1st 7985 df-2nd 7986 df-neg 11443 df-z 12591 df-uz 12862 df-fz 13535 df-fzo 13682 |
| This theorem is referenced by: elfzoelz 13686 elfzo2 13689 elfzole1 13695 elfzolt2 13696 elfzolt3 13697 elfzolt2b 13698 elfzolt3b 13699 elfzop1le2 13700 fzonel 13701 elfzouz2 13702 fzonnsub 13712 fzoss1 13714 fzospliti 13719 fzodisj 13721 elfzolem1 13732 elfzo0subge1 13733 elfzo0suble 13734 fzoaddel 13745 fzo0addelr 13747 elfzoextl 13749 elfzoext 13750 elincfzoext 13751 fzosubel 13752 fzoend 13785 ssfzo12 13787 fzoopth 13790 fzofzp1 13792 elfzo1elm1fzo0 13796 fzonfzoufzol 13799 elfznelfzob 13802 peano2fzor 13803 fzostep1 13814 modsumfzodifsn 13979 addmodlteq 13981 cshwidxm1 14843 cshimadifsn0 14866 fzomaxdiflem 15393 fzo0dvdseq 16380 fzocongeq 16381 addmodlteqALT 16382 efgsp1 19806 efgsres 19807 crctcshwlkn0lem2 30100 crctcshwlkn0lem3 30101 crctcshwlkn0lem5 30103 crctcshwlkn0lem6 30104 crctcshwlkn0 30110 crctcsh 30113 eucrctshift 30534 eucrct2eupth 30536 fzssfzo 34873 signsvfn 34913 dvnmul 46548 iblspltprt 46578 stoweidlem3 46608 fourierdlem12 46724 fourierdlem50 46761 fourierdlem64 46775 fourierdlem79 46790 ormkglobd 47482 natglobalincr 47484 chnerlem2 47490 nnmul2 47955 submodlt 47981 muldvdsfacgt 48011 muldvdsfacm1 48012 iccpartiltu 48059 iccpartgt 48064 bgoldbtbndlem2 48459 gpgedgvtx1 48715 |
| Copyright terms: Public domain | W3C validator |