| 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 4287 | . . 3 ⊢ (𝐴 ∈ (𝐵..^𝐶) → (𝐵..^𝐶) ≠ ∅) | |
| 2 | fzof 13711 | . . . . . 6 ⊢ ..^:(ℤ × ℤ)⟶𝒫 ℤ | |
| 3 | 2 | fdmi 6714 | . . . . 5 ⊢ dom ..^ = (ℤ × ℤ) |
| 4 | 3 | ndmov 7598 | . . . 4 ⊢ (¬ (𝐵 ∈ ℤ ∧ 𝐶 ∈ ℤ) → (𝐵..^𝐶) = ∅) |
| 5 | 4 | necon1ai 2982 | . . 3 ⊢ ((𝐵..^𝐶) ≠ ∅ → (𝐵 ∈ ℤ ∧ 𝐶 ∈ ℤ)) |
| 6 | 1, 5 | syl 18 | . 2 ⊢ (𝐴 ∈ (𝐵..^𝐶) → (𝐵 ∈ ℤ ∧ 𝐶 ∈ ℤ)) |
| 7 | 6 | simprd 501 | 1 ⊢ (𝐴 ∈ (𝐵..^𝐶) → 𝐶 ∈ ℤ) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 ∈ wcel 2145 ≠ wne 2955 ∅c0 4279 𝒫 cpw 4557 × cxp 5653 (class class class)co 7413 ℤcz 12615 ..^cfzo 13709 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2732 ax-sep 5251 ax-nul 5263 ax-pr 5398 ax-un 7736 ax-cnex 11180 ax-resscn 11181 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-ral 3077 df-rex 3087 df-rab 3413 df-v 3452 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-id 5550 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-iota 6489 df-fun 6535 df-fn 6536 df-f 6537 df-fv 6541 df-ov 7416 df-oprab 7417 df-mpo 7418 df-1st 7986 df-2nd 7987 df-neg 11468 df-z 12616 df-uz 12888 df-fz 13562 df-fzo 13710 |
| This theorem is used by: elfzoelz 13714 elfzo2 13717 elfzole1 13723 elfzolt2 13724 elfzolt3 13725 elfzolt2b 13726 elfzolt3b 13727 elfzop1le2 13728 fzonel 13729 elfzouz2 13730 fzonnsub 13740 fzoss1 13742 fzospliti 13747 fzodisj 13749 elfzolem1 13760 elfzo0subge1 13761 elfzo0suble 13762 fzoaddel 13773 fzo0addelr 13775 elfzoextl 13777 elfzoext 13778 elincfzoext 13779 fzosubel 13780 fzoend 13813 ssfzo12 13815 fzoopth 13818 fzofzp1 13820 elfzo1elm1fzo0 13824 fzonfzoufzol 13827 elfznelfzob 13830 peano2fzor 13831 fzostep1 13842 modsumfzodifsn 14008 addmodlteq 14010 cshwidxm1 14878 cshimadifsn0 14901 fzomaxdiflem 15430 fzo0dvdseq 16413 fzocongeq 16414 addmodlteqALT 16415 efgsp1 19864 efgsres 19865 crctcshwlkn0lem2 30279 crctcshwlkn0lem3 30280 crctcshwlkn0lem5 30282 crctcshwlkn0lem6 30283 crctcshwlkn0 30289 crctcsh 30292 eucrctshift 30723 eucrct2eupth 30725 fzssfzo 35050 signsvfn 35090 dvnmul 46771 iblspltprt 46801 stoweidlem3 46831 fourierdlem12 46947 fourierdlem50 46984 fourierdlem64 46998 fourierdlem79 47013 ormkglobd 47705 chnerlem2 47711 nnmul2 48218 submodlt 48244 muldvdsfacgt 48274 muldvdsfacm1 48275 iccpartiltu 48322 iccpartgt 48327 bgoldbtbndlem2 48722 gpgedgvtx1 48978 |
| Copyright terms: Public domain | W3C validator |