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Mirrors > Home > MPE Home > Th. List > fzoend | Structured version Visualization version GIF version |
Description: The endpoint of a half-open integer range. (Contributed by Mario Carneiro, 29-Sep-2015.) |
Ref | Expression |
---|---|
fzoend | ⊢ (𝐴 ∈ (𝐴..^𝐵) → (𝐵 − 1) ∈ (𝐴..^𝐵)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | id 22 | . . . . 5 ⊢ (𝐴 ∈ (𝐴..^𝐵) → 𝐴 ∈ (𝐴..^𝐵)) | |
2 | elfzoel2 13386 | . . . . . 6 ⊢ (𝐴 ∈ (𝐴..^𝐵) → 𝐵 ∈ ℤ) | |
3 | fzoval 13388 | . . . . . 6 ⊢ (𝐵 ∈ ℤ → (𝐴..^𝐵) = (𝐴...(𝐵 − 1))) | |
4 | 2, 3 | syl 17 | . . . . 5 ⊢ (𝐴 ∈ (𝐴..^𝐵) → (𝐴..^𝐵) = (𝐴...(𝐵 − 1))) |
5 | 1, 4 | eleqtrd 2841 | . . . 4 ⊢ (𝐴 ∈ (𝐴..^𝐵) → 𝐴 ∈ (𝐴...(𝐵 − 1))) |
6 | elfzuz3 13253 | . . . 4 ⊢ (𝐴 ∈ (𝐴...(𝐵 − 1)) → (𝐵 − 1) ∈ (ℤ≥‘𝐴)) | |
7 | 5, 6 | syl 17 | . . 3 ⊢ (𝐴 ∈ (𝐴..^𝐵) → (𝐵 − 1) ∈ (ℤ≥‘𝐴)) |
8 | eluzfz2 13264 | . . 3 ⊢ ((𝐵 − 1) ∈ (ℤ≥‘𝐴) → (𝐵 − 1) ∈ (𝐴...(𝐵 − 1))) | |
9 | 7, 8 | syl 17 | . 2 ⊢ (𝐴 ∈ (𝐴..^𝐵) → (𝐵 − 1) ∈ (𝐴...(𝐵 − 1))) |
10 | 9, 4 | eleqtrrd 2842 | 1 ⊢ (𝐴 ∈ (𝐴..^𝐵) → (𝐵 − 1) ∈ (𝐴..^𝐵)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1539 ∈ wcel 2106 ‘cfv 6433 (class class class)co 7275 1c1 10872 − cmin 11205 ℤcz 12319 ℤ≥cuz 12582 ...cfz 13239 ..^cfzo 13382 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2709 ax-sep 5223 ax-nul 5230 ax-pow 5288 ax-pr 5352 ax-un 7588 ax-cnex 10927 ax-resscn 10928 ax-pre-lttri 10945 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3or 1087 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1783 df-nf 1787 df-sb 2068 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2816 df-nfc 2889 df-ne 2944 df-nel 3050 df-ral 3069 df-rex 3070 df-rab 3073 df-v 3434 df-sbc 3717 df-csb 3833 df-dif 3890 df-un 3892 df-in 3894 df-ss 3904 df-nul 4257 df-if 4460 df-pw 4535 df-sn 4562 df-pr 4564 df-op 4568 df-uni 4840 df-iun 4926 df-br 5075 df-opab 5137 df-mpt 5158 df-id 5489 df-xp 5595 df-rel 5596 df-cnv 5597 df-co 5598 df-dm 5599 df-rn 5600 df-res 5601 df-ima 5602 df-iota 6391 df-fun 6435 df-fn 6436 df-f 6437 df-f1 6438 df-fo 6439 df-f1o 6440 df-fv 6441 df-ov 7278 df-oprab 7279 df-mpo 7280 df-1st 7831 df-2nd 7832 df-er 8498 df-en 8734 df-dom 8735 df-sdom 8736 df-pnf 11011 df-mnf 11012 df-xr 11013 df-ltxr 11014 df-le 11015 df-neg 11208 df-z 12320 df-uz 12583 df-fz 13240 df-fzo 13383 |
This theorem is referenced by: fzo0end 13479 ssfzo12 13480 lswccatn0lsw 14296 efgsdmi 19338 efgs1b 19342 clwlkclwwlklem2 28364 fzoopth 44819 |
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