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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 4293 | . . 3 ⊢ (𝐴 ∈ (𝐵..^𝐶) → (𝐵..^𝐶) ≠ ∅) | |
| 2 | fzof 13661 | . . . . . 6 ⊢ ..^:(ℤ × ℤ)⟶𝒫 ℤ | |
| 3 | 2 | fdmi 6703 | . . . . 5 ⊢ dom ..^ = (ℤ × ℤ) |
| 4 | 3 | ndmov 7580 | . . . 4 ⊢ (¬ (𝐵 ∈ ℤ ∧ 𝐶 ∈ ℤ) → (𝐵..^𝐶) = ∅) |
| 5 | 4 | necon1ai 2984 | . . 3 ⊢ ((𝐵..^𝐶) ≠ ∅ → (𝐵 ∈ ℤ ∧ 𝐶 ∈ ℤ)) |
| 6 | 1, 5 | syl 17 | . 2 ⊢ (𝐴 ∈ (𝐵..^𝐶) → (𝐵 ∈ ℤ ∧ 𝐶 ∈ ℤ)) |
| 7 | 6 | simprd 499 | 1 ⊢ (𝐴 ∈ (𝐵..^𝐶) → 𝐶 ∈ ℤ) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 399 ∈ wcel 2142 ≠ wne 2957 ∅c0 4285 𝒫 cpw 4555 × cxp 5645 (class class class)co 7396 ℤcz 12568 ..^cfzo 13659 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1815 ax-4 1829 ax-5 1930 ax-6 1987 ax-7 2028 ax-8 2144 ax-9 2152 ax-10 2175 ax-11 2191 ax-12 2212 ax-ext 2734 ax-sep 5246 ax-nul 5256 ax-pr 5390 ax-un 7718 ax-cnex 11129 ax-resscn 11130 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3or 1099 df-3an 1100 df-tru 1563 df-fal 1573 df-ex 1800 df-nf 1804 df-sb 2091 df-mo 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-ral 3077 df-rex 3087 df-rab 3415 df-v 3456 df-sbc 3745 df-csb 3853 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-nul 4286 df-if 4481 df-pw 4557 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-iun 4951 df-br 5101 df-opab 5163 df-mpt 5182 df-id 5542 df-xp 5653 df-rel 5654 df-cnv 5655 df-co 5656 df-dm 5657 df-rn 5658 df-res 5659 df-ima 5660 df-iota 6477 df-fun 6523 df-fn 6524 df-f 6525 df-fv 6529 df-ov 7399 df-oprab 7400 df-mpo 7401 df-1st 7970 df-2nd 7971 df-neg 11417 df-z 12569 df-uz 12840 df-fz 13513 df-fzo 13660 |
| This theorem is referenced by: elfzoelz 13664 elfzo2 13667 elfzole1 13673 elfzolt2 13674 elfzolt3 13675 elfzolt2b 13676 elfzolt3b 13677 elfzop1le2 13678 fzonel 13679 elfzouz2 13680 fzonnsub 13690 fzoss1 13692 fzospliti 13697 fzodisj 13699 elfzolem1 13710 elfzo0subge1 13711 elfzo0suble 13712 fzoaddel 13723 fzo0addelr 13725 elfzoextl 13727 elfzoext 13728 elincfzoext 13729 fzosubel 13730 fzoend 13763 ssfzo12 13765 fzoopth 13768 fzofzp1 13770 elfzo1elm1fzo0 13774 fzonfzoufzol 13777 elfznelfzob 13780 peano2fzor 13781 fzostep1 13792 modsumfzodifsn 13957 addmodlteq 13959 cshwidxm1 14820 cshimadifsn0 14843 fzomaxdiflem 15370 fzo0dvdseq 16357 fzocongeq 16358 addmodlteqALT 16359 efgsp1 19777 efgsres 19778 crctcshwlkn0lem2 30008 crctcshwlkn0lem3 30009 crctcshwlkn0lem5 30011 crctcshwlkn0lem6 30012 crctcshwlkn0 30018 crctcsh 30021 eucrctshift 30442 eucrct2eupth 30444 fzssfzo 34833 signsvfn 34873 dvnmul 46514 iblspltprt 46544 stoweidlem3 46574 fourierdlem12 46690 fourierdlem50 46727 fourierdlem64 46741 fourierdlem79 46756 ormkglobd 47448 natglobalincr 47450 chnerlem2 47456 nnmul2 47921 submodlt 47947 muldvdsfacgt 47977 muldvdsfacm1 47978 iccpartiltu 48025 iccpartgt 48030 bgoldbtbndlem2 48425 gpgedgvtx1 48681 |
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