| 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 4293 | . . 3 ⊢ (𝐴 ∈ (𝐵..^𝐶) → (𝐵..^𝐶) ≠ ∅) | |
| 2 | fzof 13572 | . . . . . 6 ⊢ ..^:(ℤ × ℤ)⟶𝒫 ℤ | |
| 3 | 2 | fdmi 6673 | . . . . 5 ⊢ dom ..^ = (ℤ × ℤ) |
| 4 | 3 | ndmov 7542 | . . . 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 2113 ≠ wne 2932 ∅c0 4285 𝒫 cpw 4554 × cxp 5622 (class class class)co 7358 ℤcz 12488 ..^cfzo 13570 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-10 2146 ax-11 2162 ax-12 2184 ax-ext 2708 ax-sep 5241 ax-nul 5251 ax-pr 5377 ax-un 7680 ax-cnex 11082 ax-resscn 11083 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 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 3061 df-rab 3400 df-v 3442 df-sbc 3741 df-csb 3850 df-dif 3904 df-un 3906 df-in 3908 df-ss 3918 df-nul 4286 df-if 4480 df-pw 4556 df-sn 4581 df-pr 4583 df-op 4587 df-uni 4864 df-iun 4948 df-br 5099 df-opab 5161 df-mpt 5180 df-id 5519 df-xp 5630 df-rel 5631 df-cnv 5632 df-co 5633 df-dm 5634 df-rn 5635 df-res 5636 df-ima 5637 df-iota 6448 df-fun 6494 df-fn 6495 df-f 6496 df-fv 6500 df-ov 7361 df-oprab 7362 df-mpo 7363 df-1st 7933 df-2nd 7934 df-neg 11367 df-z 12489 df-uz 12752 df-fz 13424 df-fzo 13571 |
| This theorem is referenced by: elfzoelz 13575 elfzo2 13578 elfzole1 13583 elfzolt2 13584 elfzolt3 13585 elfzolt2b 13586 elfzolt3b 13587 elfzop1le2 13588 fzonel 13589 elfzouz2 13590 fzonnsub 13600 fzoss1 13602 fzospliti 13607 fzodisj 13609 elfzolem1 13620 elfzo0subge1 13621 elfzo0suble 13622 fzoaddel 13633 fzo0addelr 13635 elfzoextl 13637 elfzoext 13638 elincfzoext 13639 fzosubel 13640 fzoend 13673 ssfzo12 13675 fzoopth 13678 fzofzp1 13680 elfzo1elm1fzo0 13684 fzonfzoufzol 13687 elfznelfzob 13690 peano2fzor 13691 fzostep1 13702 modsumfzodifsn 13867 addmodlteq 13869 cshwidxm1 14730 cshimadifsn0 14753 fzomaxdiflem 15266 fzo0dvdseq 16250 fzocongeq 16251 addmodlteqALT 16252 efgsp1 19666 efgsres 19667 crctcshwlkn0lem2 29884 crctcshwlkn0lem3 29885 crctcshwlkn0lem5 29887 crctcshwlkn0lem6 29888 crctcshwlkn0 29894 crctcsh 29897 eucrctshift 30318 eucrct2eupth 30320 fzssfzo 34696 signsvfn 34739 dvnmul 46187 iblspltprt 46217 stoweidlem3 46247 fourierdlem12 46363 fourierdlem50 46400 fourierdlem64 46414 fourierdlem79 46429 ormkglobd 47119 natglobalincr 47121 chnerlem2 47127 submodlt 47596 iccpartiltu 47668 iccpartgt 47673 bgoldbtbndlem2 48052 gpgedgvtx1 48308 |
| Copyright terms: Public domain | W3C validator |