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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 4269 | . . 3 ⊢ (𝐴 ∈ (𝐵..^𝐶) → (𝐵..^𝐶) ≠ ∅) | |
| 2 | fzof 13601 | . . . . . 6 ⊢ ..^:(ℤ × ℤ)⟶𝒫 ℤ | |
| 3 | 2 | fdmi 6666 | . . . . 5 ⊢ dom ..^ = (ℤ × ℤ) |
| 4 | 3 | ndmov 7540 | . . . 4 ⊢ (¬ (𝐵 ∈ ℤ ∧ 𝐶 ∈ ℤ) → (𝐵..^𝐶) = ∅) |
| 5 | 4 | necon1ai 2961 | . . 3 ⊢ ((𝐵..^𝐶) ≠ ∅ → (𝐵 ∈ ℤ ∧ 𝐶 ∈ ℤ)) |
| 6 | 1, 5 | syl 17 | . 2 ⊢ (𝐴 ∈ (𝐵..^𝐶) → (𝐵 ∈ ℤ ∧ 𝐶 ∈ ℤ)) |
| 7 | 6 | simprd 496 | 1 ⊢ (𝐴 ∈ (𝐵..^𝐶) → 𝐶 ∈ ℤ) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 396 ∈ wcel 2119 ≠ wne 2934 ∅c0 4261 𝒫 cpw 4529 × cxp 5616 (class class class)co 7356 ℤcz 12515 ..^cfzo 13599 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-10 2152 ax-11 2168 ax-12 2189 ax-ext 2711 ax-sep 5218 ax-nul 5228 ax-pr 5362 ax-un 7678 ax-cnex 11085 ax-resscn 11086 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-or 854 df-3or 1093 df-3an 1094 df-tru 1550 df-fal 1560 df-ex 1787 df-nf 1791 df-sb 2074 df-mo 2543 df-eu 2573 df-clab 2718 df-cleq 2731 df-clel 2814 df-nfc 2888 df-ne 2935 df-ral 3054 df-rex 3064 df-rab 3392 df-v 3433 df-sbc 3724 df-csb 3832 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-nul 4262 df-if 4455 df-pw 4531 df-sn 4556 df-pr 4558 df-op 4562 df-uni 4839 df-iun 4923 df-br 5073 df-opab 5135 df-mpt 5154 df-id 5513 df-xp 5624 df-rel 5625 df-cnv 5626 df-co 5627 df-dm 5628 df-rn 5629 df-res 5630 df-ima 5631 df-iota 6441 df-fun 6487 df-fn 6488 df-f 6489 df-fv 6493 df-ov 7359 df-oprab 7360 df-mpo 7361 df-1st 7931 df-2nd 7932 df-neg 11371 df-z 12516 df-uz 12780 df-fz 13453 df-fzo 13600 |
| This theorem is referenced by: elfzoelz 13604 elfzo2 13607 elfzole1 13613 elfzolt2 13614 elfzolt3 13615 elfzolt2b 13616 elfzolt3b 13617 elfzop1le2 13618 fzonel 13619 elfzouz2 13620 fzonnsub 13630 fzoss1 13632 fzospliti 13637 fzodisj 13639 elfzolem1 13650 elfzo0subge1 13651 elfzo0suble 13652 fzoaddel 13663 fzo0addelr 13665 elfzoextl 13667 elfzoext 13668 elincfzoext 13669 fzosubel 13670 fzoend 13703 ssfzo12 13705 fzoopth 13708 fzofzp1 13710 elfzo1elm1fzo0 13714 fzonfzoufzol 13717 elfznelfzob 13720 peano2fzor 13721 fzostep1 13732 modsumfzodifsn 13897 addmodlteq 13899 cshwidxm1 14760 cshimadifsn0 14783 fzomaxdiflem 15296 fzo0dvdseq 16283 fzocongeq 16284 addmodlteqALT 16285 efgsp1 19703 efgsres 19704 crctcshwlkn0lem2 29897 crctcshwlkn0lem3 29898 crctcshwlkn0lem5 29900 crctcshwlkn0lem6 29901 crctcshwlkn0 29907 crctcsh 29910 eucrctshift 30331 eucrct2eupth 30333 fzssfzo 34723 signsvfn 34766 dvnmul 46386 iblspltprt 46416 stoweidlem3 46446 fourierdlem12 46562 fourierdlem50 46599 fourierdlem64 46613 fourierdlem79 46628 ormkglobd 47320 natglobalincr 47322 chnerlem2 47328 nnmul2 47793 submodlt 47819 muldvdsfacgt 47849 muldvdsfacm1 47850 iccpartiltu 47897 iccpartgt 47902 bgoldbtbndlem2 48297 gpgedgvtx1 48553 |
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