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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 13031 | . . . . . 6 ⊢ (𝐴 ∈ (𝐴..^𝐵) → 𝐵 ∈ ℤ) | |
3 | fzoval 13033 | . . . . . 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 2915 | . . . 4 ⊢ (𝐴 ∈ (𝐴..^𝐵) → 𝐴 ∈ (𝐴...(𝐵 − 1))) |
6 | elfzuz3 12899 | . . . 4 ⊢ (𝐴 ∈ (𝐴...(𝐵 − 1)) → (𝐵 − 1) ∈ (ℤ≥‘𝐴)) | |
7 | 5, 6 | syl 17 | . . 3 ⊢ (𝐴 ∈ (𝐴..^𝐵) → (𝐵 − 1) ∈ (ℤ≥‘𝐴)) |
8 | eluzfz2 12909 | . . 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 2916 | 1 ⊢ (𝐴 ∈ (𝐴..^𝐵) → (𝐵 − 1) ∈ (𝐴..^𝐵)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1533 ∈ wcel 2110 ‘cfv 6350 (class class class)co 7150 1c1 10532 − cmin 10864 ℤcz 11975 ℤ≥cuz 12237 ...cfz 12886 ..^cfzo 13027 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1907 ax-6 1966 ax-7 2011 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2156 ax-12 2172 ax-ext 2793 ax-sep 5196 ax-nul 5203 ax-pow 5259 ax-pr 5322 ax-un 7455 ax-cnex 10587 ax-resscn 10588 ax-pre-lttri 10605 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1536 df-ex 1777 df-nf 1781 df-sb 2066 df-mo 2618 df-eu 2650 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ne 3017 df-nel 3124 df-ral 3143 df-rex 3144 df-rab 3147 df-v 3497 df-sbc 3773 df-csb 3884 df-dif 3939 df-un 3941 df-in 3943 df-ss 3952 df-nul 4292 df-if 4468 df-pw 4541 df-sn 4562 df-pr 4564 df-op 4568 df-uni 4833 df-iun 4914 df-br 5060 df-opab 5122 df-mpt 5140 df-id 5455 df-xp 5556 df-rel 5557 df-cnv 5558 df-co 5559 df-dm 5560 df-rn 5561 df-res 5562 df-ima 5563 df-iota 6309 df-fun 6352 df-fn 6353 df-f 6354 df-f1 6355 df-fo 6356 df-f1o 6357 df-fv 6358 df-ov 7153 df-oprab 7154 df-mpo 7155 df-1st 7683 df-2nd 7684 df-er 8283 df-en 8504 df-dom 8505 df-sdom 8506 df-pnf 10671 df-mnf 10672 df-xr 10673 df-ltxr 10674 df-le 10675 df-neg 10867 df-z 11976 df-uz 12238 df-fz 12887 df-fzo 13028 |
This theorem is referenced by: fzo0end 13123 ssfzo12 13124 lswccatn0lsw 13939 efgsdmi 18852 efgs1b 18856 clwlkclwwlklem2 27772 fzoopth 43520 |
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