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Mirrors > Home > MPE Home > Th. List > gtndiv | Structured version Visualization version GIF version |
Description: A larger number does not divide a smaller positive integer. (Contributed by NM, 3-May-2005.) |
Ref | Expression |
---|---|
gtndiv | ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℕ ∧ 𝐵 < 𝐴) → ¬ (𝐵 / 𝐴) ∈ ℤ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 0z 12260 | . 2 ⊢ 0 ∈ ℤ | |
2 | nnre 11910 | . . . 4 ⊢ (𝐵 ∈ ℕ → 𝐵 ∈ ℝ) | |
3 | 2 | 3ad2ant2 1132 | . . 3 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℕ ∧ 𝐵 < 𝐴) → 𝐵 ∈ ℝ) |
4 | simp1 1134 | . . 3 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℕ ∧ 𝐵 < 𝐴) → 𝐴 ∈ ℝ) | |
5 | nngt0 11934 | . . . 4 ⊢ (𝐵 ∈ ℕ → 0 < 𝐵) | |
6 | 5 | 3ad2ant2 1132 | . . 3 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℕ ∧ 𝐵 < 𝐴) → 0 < 𝐵) |
7 | 5 | adantl 481 | . . . . 5 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℕ) → 0 < 𝐵) |
8 | 0re 10908 | . . . . . . . 8 ⊢ 0 ∈ ℝ | |
9 | lttr 10982 | . . . . . . . 8 ⊢ ((0 ∈ ℝ ∧ 𝐵 ∈ ℝ ∧ 𝐴 ∈ ℝ) → ((0 < 𝐵 ∧ 𝐵 < 𝐴) → 0 < 𝐴)) | |
10 | 8, 9 | mp3an1 1446 | . . . . . . 7 ⊢ ((𝐵 ∈ ℝ ∧ 𝐴 ∈ ℝ) → ((0 < 𝐵 ∧ 𝐵 < 𝐴) → 0 < 𝐴)) |
11 | 2, 10 | sylan 579 | . . . . . 6 ⊢ ((𝐵 ∈ ℕ ∧ 𝐴 ∈ ℝ) → ((0 < 𝐵 ∧ 𝐵 < 𝐴) → 0 < 𝐴)) |
12 | 11 | ancoms 458 | . . . . 5 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℕ) → ((0 < 𝐵 ∧ 𝐵 < 𝐴) → 0 < 𝐴)) |
13 | 7, 12 | mpand 691 | . . . 4 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℕ) → (𝐵 < 𝐴 → 0 < 𝐴)) |
14 | 13 | 3impia 1115 | . . 3 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℕ ∧ 𝐵 < 𝐴) → 0 < 𝐴) |
15 | 3, 4, 6, 14 | divgt0d 11840 | . 2 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℕ ∧ 𝐵 < 𝐴) → 0 < (𝐵 / 𝐴)) |
16 | simp3 1136 | . . . 4 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℕ ∧ 𝐵 < 𝐴) → 𝐵 < 𝐴) | |
17 | 1re 10906 | . . . . . . 7 ⊢ 1 ∈ ℝ | |
18 | ltdivmul2 11782 | . . . . . . 7 ⊢ ((𝐵 ∈ ℝ ∧ 1 ∈ ℝ ∧ (𝐴 ∈ ℝ ∧ 0 < 𝐴)) → ((𝐵 / 𝐴) < 1 ↔ 𝐵 < (1 · 𝐴))) | |
19 | 17, 18 | mp3an2 1447 | . . . . . 6 ⊢ ((𝐵 ∈ ℝ ∧ (𝐴 ∈ ℝ ∧ 0 < 𝐴)) → ((𝐵 / 𝐴) < 1 ↔ 𝐵 < (1 · 𝐴))) |
20 | 3, 4, 14, 19 | syl12anc 833 | . . . . 5 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℕ ∧ 𝐵 < 𝐴) → ((𝐵 / 𝐴) < 1 ↔ 𝐵 < (1 · 𝐴))) |
21 | recn 10892 | . . . . . . . 8 ⊢ (𝐴 ∈ ℝ → 𝐴 ∈ ℂ) | |
22 | 21 | mulid2d 10924 | . . . . . . 7 ⊢ (𝐴 ∈ ℝ → (1 · 𝐴) = 𝐴) |
23 | 22 | breq2d 5082 | . . . . . 6 ⊢ (𝐴 ∈ ℝ → (𝐵 < (1 · 𝐴) ↔ 𝐵 < 𝐴)) |
24 | 23 | 3ad2ant1 1131 | . . . . 5 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℕ ∧ 𝐵 < 𝐴) → (𝐵 < (1 · 𝐴) ↔ 𝐵 < 𝐴)) |
25 | 20, 24 | bitrd 278 | . . . 4 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℕ ∧ 𝐵 < 𝐴) → ((𝐵 / 𝐴) < 1 ↔ 𝐵 < 𝐴)) |
26 | 16, 25 | mpbird 256 | . . 3 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℕ ∧ 𝐵 < 𝐴) → (𝐵 / 𝐴) < 1) |
27 | 0p1e1 12025 | . . 3 ⊢ (0 + 1) = 1 | |
28 | 26, 27 | breqtrrdi 5112 | . 2 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℕ ∧ 𝐵 < 𝐴) → (𝐵 / 𝐴) < (0 + 1)) |
29 | btwnnz 12326 | . 2 ⊢ ((0 ∈ ℤ ∧ 0 < (𝐵 / 𝐴) ∧ (𝐵 / 𝐴) < (0 + 1)) → ¬ (𝐵 / 𝐴) ∈ ℤ) | |
30 | 1, 15, 28, 29 | mp3an2i 1464 | 1 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℕ ∧ 𝐵 < 𝐴) → ¬ (𝐵 / 𝐴) ∈ ℤ) |
Colors of variables: wff setvar class |
Syntax hints: ¬ wn 3 → wi 4 ↔ wb 205 ∧ wa 395 ∧ w3a 1085 ∈ wcel 2108 class class class wbr 5070 (class class class)co 7255 ℝcr 10801 0cc0 10802 1c1 10803 + caddc 10805 · cmul 10807 < clt 10940 / cdiv 11562 ℕcn 11903 ℤcz 12249 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1799 ax-4 1813 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2110 ax-9 2118 ax-10 2139 ax-11 2156 ax-12 2173 ax-ext 2709 ax-sep 5218 ax-nul 5225 ax-pow 5283 ax-pr 5347 ax-un 7566 ax-resscn 10859 ax-1cn 10860 ax-icn 10861 ax-addcl 10862 ax-addrcl 10863 ax-mulcl 10864 ax-mulrcl 10865 ax-mulcom 10866 ax-addass 10867 ax-mulass 10868 ax-distr 10869 ax-i2m1 10870 ax-1ne0 10871 ax-1rid 10872 ax-rnegex 10873 ax-rrecex 10874 ax-cnre 10875 ax-pre-lttri 10876 ax-pre-lttrn 10877 ax-pre-ltadd 10878 ax-pre-mulgt0 10879 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 844 df-3or 1086 df-3an 1087 df-tru 1542 df-fal 1552 df-ex 1784 df-nf 1788 df-sb 2069 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2817 df-nfc 2888 df-ne 2943 df-nel 3049 df-ral 3068 df-rex 3069 df-reu 3070 df-rmo 3071 df-rab 3072 df-v 3424 df-sbc 3712 df-csb 3829 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-pss 3902 df-nul 4254 df-if 4457 df-pw 4532 df-sn 4559 df-pr 4561 df-tp 4563 df-op 4565 df-uni 4837 df-iun 4923 df-br 5071 df-opab 5133 df-mpt 5154 df-tr 5188 df-id 5480 df-eprel 5486 df-po 5494 df-so 5495 df-fr 5535 df-we 5537 df-xp 5586 df-rel 5587 df-cnv 5588 df-co 5589 df-dm 5590 df-rn 5591 df-res 5592 df-ima 5593 df-pred 6191 df-ord 6254 df-on 6255 df-lim 6256 df-suc 6257 df-iota 6376 df-fun 6420 df-fn 6421 df-f 6422 df-f1 6423 df-fo 6424 df-f1o 6425 df-fv 6426 df-riota 7212 df-ov 7258 df-oprab 7259 df-mpo 7260 df-om 7688 df-2nd 7805 df-frecs 8068 df-wrecs 8099 df-recs 8173 df-rdg 8212 df-er 8456 df-en 8692 df-dom 8693 df-sdom 8694 df-pnf 10942 df-mnf 10943 df-xr 10944 df-ltxr 10945 df-le 10946 df-sub 11137 df-neg 11138 df-div 11563 df-nn 11904 df-n0 12164 df-z 12250 |
This theorem is referenced by: prime 12331 |
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