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Mirrors > Home > MPE Home > Th. List > nelfzo | Structured version Visualization version GIF version |
Description: An integer not being a member of a half-open finite set of integers. (Contributed by AV, 29-Apr-2020.) |
Ref | Expression |
---|---|
nelfzo | ⊢ ((𝐾 ∈ ℤ ∧ 𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) → (𝐾 ∉ (𝑀..^𝑁) ↔ (𝐾 < 𝑀 ∨ 𝑁 ≤ 𝐾))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-nel 3124 | . 2 ⊢ (𝐾 ∉ (𝑀..^𝑁) ↔ ¬ 𝐾 ∈ (𝑀..^𝑁)) | |
2 | ianor 978 | . . . 4 ⊢ (¬ (𝑀 ≤ 𝐾 ∧ 𝐾 < 𝑁) ↔ (¬ 𝑀 ≤ 𝐾 ∨ ¬ 𝐾 < 𝑁)) | |
3 | 2 | a1i 11 | . . 3 ⊢ ((𝐾 ∈ ℤ ∧ 𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) → (¬ (𝑀 ≤ 𝐾 ∧ 𝐾 < 𝑁) ↔ (¬ 𝑀 ≤ 𝐾 ∨ ¬ 𝐾 < 𝑁))) |
4 | elfzo 13041 | . . . 4 ⊢ ((𝐾 ∈ ℤ ∧ 𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) → (𝐾 ∈ (𝑀..^𝑁) ↔ (𝑀 ≤ 𝐾 ∧ 𝐾 < 𝑁))) | |
5 | 4 | notbid 320 | . . 3 ⊢ ((𝐾 ∈ ℤ ∧ 𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) → (¬ 𝐾 ∈ (𝑀..^𝑁) ↔ ¬ (𝑀 ≤ 𝐾 ∧ 𝐾 < 𝑁))) |
6 | zre 11986 | . . . . . . 7 ⊢ (𝐾 ∈ ℤ → 𝐾 ∈ ℝ) | |
7 | zre 11986 | . . . . . . 7 ⊢ (𝑀 ∈ ℤ → 𝑀 ∈ ℝ) | |
8 | 6, 7 | anim12i 614 | . . . . . 6 ⊢ ((𝐾 ∈ ℤ ∧ 𝑀 ∈ ℤ) → (𝐾 ∈ ℝ ∧ 𝑀 ∈ ℝ)) |
9 | 8 | 3adant3 1128 | . . . . 5 ⊢ ((𝐾 ∈ ℤ ∧ 𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) → (𝐾 ∈ ℝ ∧ 𝑀 ∈ ℝ)) |
10 | ltnle 10720 | . . . . 5 ⊢ ((𝐾 ∈ ℝ ∧ 𝑀 ∈ ℝ) → (𝐾 < 𝑀 ↔ ¬ 𝑀 ≤ 𝐾)) | |
11 | 9, 10 | syl 17 | . . . 4 ⊢ ((𝐾 ∈ ℤ ∧ 𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) → (𝐾 < 𝑀 ↔ ¬ 𝑀 ≤ 𝐾)) |
12 | zre 11986 | . . . . . . 7 ⊢ (𝑁 ∈ ℤ → 𝑁 ∈ ℝ) | |
13 | 6, 12 | anim12ci 615 | . . . . . 6 ⊢ ((𝐾 ∈ ℤ ∧ 𝑁 ∈ ℤ) → (𝑁 ∈ ℝ ∧ 𝐾 ∈ ℝ)) |
14 | 13 | 3adant2 1127 | . . . . 5 ⊢ ((𝐾 ∈ ℤ ∧ 𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) → (𝑁 ∈ ℝ ∧ 𝐾 ∈ ℝ)) |
15 | lenlt 10719 | . . . . 5 ⊢ ((𝑁 ∈ ℝ ∧ 𝐾 ∈ ℝ) → (𝑁 ≤ 𝐾 ↔ ¬ 𝐾 < 𝑁)) | |
16 | 14, 15 | syl 17 | . . . 4 ⊢ ((𝐾 ∈ ℤ ∧ 𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) → (𝑁 ≤ 𝐾 ↔ ¬ 𝐾 < 𝑁)) |
17 | 11, 16 | orbi12d 915 | . . 3 ⊢ ((𝐾 ∈ ℤ ∧ 𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) → ((𝐾 < 𝑀 ∨ 𝑁 ≤ 𝐾) ↔ (¬ 𝑀 ≤ 𝐾 ∨ ¬ 𝐾 < 𝑁))) |
18 | 3, 5, 17 | 3bitr4d 313 | . 2 ⊢ ((𝐾 ∈ ℤ ∧ 𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) → (¬ 𝐾 ∈ (𝑀..^𝑁) ↔ (𝐾 < 𝑀 ∨ 𝑁 ≤ 𝐾))) |
19 | 1, 18 | syl5bb 285 | 1 ⊢ ((𝐾 ∈ ℤ ∧ 𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) → (𝐾 ∉ (𝑀..^𝑁) ↔ (𝐾 < 𝑀 ∨ 𝑁 ≤ 𝐾))) |
Colors of variables: wff setvar class |
Syntax hints: ¬ wn 3 → wi 4 ↔ wb 208 ∧ wa 398 ∨ wo 843 ∧ w3a 1083 ∈ wcel 2114 ∉ wnel 3123 class class class wbr 5066 (class class class)co 7156 ℝcr 10536 < clt 10675 ≤ cle 10676 ℤcz 11982 ..^cfzo 13034 |
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 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2793 ax-sep 5203 ax-nul 5210 ax-pow 5266 ax-pr 5330 ax-un 7461 ax-cnex 10593 ax-resscn 10594 ax-1cn 10595 ax-icn 10596 ax-addcl 10597 ax-addrcl 10598 ax-mulcl 10599 ax-mulrcl 10600 ax-mulcom 10601 ax-addass 10602 ax-mulass 10603 ax-distr 10604 ax-i2m1 10605 ax-1ne0 10606 ax-1rid 10607 ax-rnegex 10608 ax-rrecex 10609 ax-cnre 10610 ax-pre-lttri 10611 ax-pre-lttrn 10612 ax-pre-ltadd 10613 ax-pre-mulgt0 10614 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-mo 2622 df-eu 2654 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-reu 3145 df-rab 3147 df-v 3496 df-sbc 3773 df-csb 3884 df-dif 3939 df-un 3941 df-in 3943 df-ss 3952 df-pss 3954 df-nul 4292 df-if 4468 df-pw 4541 df-sn 4568 df-pr 4570 df-tp 4572 df-op 4574 df-uni 4839 df-iun 4921 df-br 5067 df-opab 5129 df-mpt 5147 df-tr 5173 df-id 5460 df-eprel 5465 df-po 5474 df-so 5475 df-fr 5514 df-we 5516 df-xp 5561 df-rel 5562 df-cnv 5563 df-co 5564 df-dm 5565 df-rn 5566 df-res 5567 df-ima 5568 df-pred 6148 df-ord 6194 df-on 6195 df-lim 6196 df-suc 6197 df-iota 6314 df-fun 6357 df-fn 6358 df-f 6359 df-f1 6360 df-fo 6361 df-f1o 6362 df-fv 6363 df-riota 7114 df-ov 7159 df-oprab 7160 df-mpo 7161 df-om 7581 df-1st 7689 df-2nd 7690 df-wrecs 7947 df-recs 8008 df-rdg 8046 df-er 8289 df-en 8510 df-dom 8511 df-sdom 8512 df-pnf 10677 df-mnf 10678 df-xr 10679 df-ltxr 10680 df-le 10681 df-sub 10872 df-neg 10873 df-nn 11639 df-n0 11899 df-z 11983 df-uz 12245 df-fz 12894 df-fzo 13035 |
This theorem is referenced by: wrdsymb0 13901 |
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