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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 4282 | . . 3 ⊢ (𝐴 ∈ (𝐵..^𝐶) → (𝐵..^𝐶) ≠ ∅) | |
| 2 | fzof 13604 | . . . . . 6 ⊢ ..^:(ℤ × ℤ)⟶𝒫 ℤ | |
| 3 | 2 | fdmi 6674 | . . . . 5 ⊢ dom ..^ = (ℤ × ℤ) |
| 4 | 3 | ndmov 7545 | . . . 4 ⊢ (¬ (𝐵 ∈ ℤ ∧ 𝐶 ∈ ℤ) → (𝐵..^𝐶) = ∅) |
| 5 | 4 | necon1ai 2960 | . . 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 2933 ∅c0 4274 𝒫 cpw 4542 × cxp 5623 (class class class)co 7361 ℤcz 12518 ..^cfzo 13602 |
| 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 2709 ax-sep 5232 ax-nul 5242 ax-pr 5371 ax-un 7683 ax-cnex 11088 ax-resscn 11089 |
| 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 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-ral 3053 df-rex 3063 df-rab 3391 df-v 3432 df-sbc 3730 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-iun 4936 df-br 5087 df-opab 5149 df-mpt 5168 df-id 5520 df-xp 5631 df-rel 5632 df-cnv 5633 df-co 5634 df-dm 5635 df-rn 5636 df-res 5637 df-ima 5638 df-iota 6449 df-fun 6495 df-fn 6496 df-f 6497 df-fv 6501 df-ov 7364 df-oprab 7365 df-mpo 7366 df-1st 7936 df-2nd 7937 df-neg 11374 df-z 12519 df-uz 12783 df-fz 13456 df-fzo 13603 |
| This theorem is referenced by: elfzoelz 13607 elfzo2 13610 elfzole1 13616 elfzolt2 13617 elfzolt3 13618 elfzolt2b 13619 elfzolt3b 13620 elfzop1le2 13621 fzonel 13622 elfzouz2 13623 fzonnsub 13633 fzoss1 13635 fzospliti 13640 fzodisj 13642 elfzolem1 13653 elfzo0subge1 13654 elfzo0suble 13655 fzoaddel 13666 fzo0addelr 13668 elfzoextl 13670 elfzoext 13671 elincfzoext 13672 fzosubel 13673 fzoend 13706 ssfzo12 13708 fzoopth 13711 fzofzp1 13713 elfzo1elm1fzo0 13717 fzonfzoufzol 13720 elfznelfzob 13723 peano2fzor 13724 fzostep1 13735 modsumfzodifsn 13900 addmodlteq 13902 cshwidxm1 14763 cshimadifsn0 14786 fzomaxdiflem 15299 fzo0dvdseq 16286 fzocongeq 16287 addmodlteqALT 16288 efgsp1 19706 efgsres 19707 crctcshwlkn0lem2 29897 crctcshwlkn0lem3 29898 crctcshwlkn0lem5 29900 crctcshwlkn0lem6 29901 crctcshwlkn0 29907 crctcsh 29910 eucrctshift 30331 eucrct2eupth 30333 fzssfzo 34702 signsvfn 34745 dvnmul 46392 iblspltprt 46422 stoweidlem3 46452 fourierdlem12 46568 fourierdlem50 46605 fourierdlem64 46619 fourierdlem79 46634 ormkglobd 47324 natglobalincr 47326 chnerlem2 47332 nnmul2 47793 submodlt 47819 muldvdsfacgt 47849 muldvdsfacm1 47850 iccpartiltu 47897 iccpartgt 47902 bgoldbtbndlem2 48297 gpgedgvtx1 48553 |
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