Mathbox for Thierry Arnoux |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > archiexdiv | Structured version Visualization version GIF version |
Description: In an Archimedean group, given two positive elements, there exists a "divisor" 𝑛. (Contributed by Thierry Arnoux, 30-Jan-2018.) |
Ref | Expression |
---|---|
archiexdiv.b | ⊢ 𝐵 = (Base‘𝑊) |
archiexdiv.0 | ⊢ 0 = (0g‘𝑊) |
archiexdiv.i | ⊢ < = (lt‘𝑊) |
archiexdiv.x | ⊢ · = (.g‘𝑊) |
Ref | Expression |
---|---|
archiexdiv | ⊢ (((𝑊 ∈ oGrp ∧ 𝑊 ∈ Archi) ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ 0 < 𝑋) → ∃𝑛 ∈ ℕ 𝑌 < (𝑛 · 𝑋)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | archiexdiv.b | . . . . 5 ⊢ 𝐵 = (Base‘𝑊) | |
2 | archiexdiv.0 | . . . . 5 ⊢ 0 = (0g‘𝑊) | |
3 | archiexdiv.i | . . . . 5 ⊢ < = (lt‘𝑊) | |
4 | archiexdiv.x | . . . . 5 ⊢ · = (.g‘𝑊) | |
5 | 1, 2, 3, 4 | isarchi3 31343 | . . . 4 ⊢ (𝑊 ∈ oGrp → (𝑊 ∈ Archi ↔ ∀𝑥 ∈ 𝐵 ∀𝑦 ∈ 𝐵 ( 0 < 𝑥 → ∃𝑛 ∈ ℕ 𝑦 < (𝑛 · 𝑥)))) |
6 | 5 | biimpa 476 | . . 3 ⊢ ((𝑊 ∈ oGrp ∧ 𝑊 ∈ Archi) → ∀𝑥 ∈ 𝐵 ∀𝑦 ∈ 𝐵 ( 0 < 𝑥 → ∃𝑛 ∈ ℕ 𝑦 < (𝑛 · 𝑥))) |
7 | 6 | 3ad2ant1 1131 | . 2 ⊢ (((𝑊 ∈ oGrp ∧ 𝑊 ∈ Archi) ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ 0 < 𝑋) → ∀𝑥 ∈ 𝐵 ∀𝑦 ∈ 𝐵 ( 0 < 𝑥 → ∃𝑛 ∈ ℕ 𝑦 < (𝑛 · 𝑥))) |
8 | simp3 1136 | . 2 ⊢ (((𝑊 ∈ oGrp ∧ 𝑊 ∈ Archi) ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ 0 < 𝑋) → 0 < 𝑋) | |
9 | breq2 5074 | . . . . 5 ⊢ (𝑥 = 𝑋 → ( 0 < 𝑥 ↔ 0 < 𝑋)) | |
10 | oveq2 7263 | . . . . . . 7 ⊢ (𝑥 = 𝑋 → (𝑛 · 𝑥) = (𝑛 · 𝑋)) | |
11 | 10 | breq2d 5082 | . . . . . 6 ⊢ (𝑥 = 𝑋 → (𝑦 < (𝑛 · 𝑥) ↔ 𝑦 < (𝑛 · 𝑋))) |
12 | 11 | rexbidv 3225 | . . . . 5 ⊢ (𝑥 = 𝑋 → (∃𝑛 ∈ ℕ 𝑦 < (𝑛 · 𝑥) ↔ ∃𝑛 ∈ ℕ 𝑦 < (𝑛 · 𝑋))) |
13 | 9, 12 | imbi12d 344 | . . . 4 ⊢ (𝑥 = 𝑋 → (( 0 < 𝑥 → ∃𝑛 ∈ ℕ 𝑦 < (𝑛 · 𝑥)) ↔ ( 0 < 𝑋 → ∃𝑛 ∈ ℕ 𝑦 < (𝑛 · 𝑋)))) |
14 | breq1 5073 | . . . . . 6 ⊢ (𝑦 = 𝑌 → (𝑦 < (𝑛 · 𝑋) ↔ 𝑌 < (𝑛 · 𝑋))) | |
15 | 14 | rexbidv 3225 | . . . . 5 ⊢ (𝑦 = 𝑌 → (∃𝑛 ∈ ℕ 𝑦 < (𝑛 · 𝑋) ↔ ∃𝑛 ∈ ℕ 𝑌 < (𝑛 · 𝑋))) |
16 | 15 | imbi2d 340 | . . . 4 ⊢ (𝑦 = 𝑌 → (( 0 < 𝑋 → ∃𝑛 ∈ ℕ 𝑦 < (𝑛 · 𝑋)) ↔ ( 0 < 𝑋 → ∃𝑛 ∈ ℕ 𝑌 < (𝑛 · 𝑋)))) |
17 | 13, 16 | rspc2v 3562 | . . 3 ⊢ ((𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (∀𝑥 ∈ 𝐵 ∀𝑦 ∈ 𝐵 ( 0 < 𝑥 → ∃𝑛 ∈ ℕ 𝑦 < (𝑛 · 𝑥)) → ( 0 < 𝑋 → ∃𝑛 ∈ ℕ 𝑌 < (𝑛 · 𝑋)))) |
18 | 17 | 3ad2ant2 1132 | . 2 ⊢ (((𝑊 ∈ oGrp ∧ 𝑊 ∈ Archi) ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ 0 < 𝑋) → (∀𝑥 ∈ 𝐵 ∀𝑦 ∈ 𝐵 ( 0 < 𝑥 → ∃𝑛 ∈ ℕ 𝑦 < (𝑛 · 𝑥)) → ( 0 < 𝑋 → ∃𝑛 ∈ ℕ 𝑌 < (𝑛 · 𝑋)))) |
19 | 7, 8, 18 | mp2d 49 | 1 ⊢ (((𝑊 ∈ oGrp ∧ 𝑊 ∈ Archi) ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ 0 < 𝑋) → ∃𝑛 ∈ ℕ 𝑌 < (𝑛 · 𝑋)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 395 ∧ w3a 1085 = wceq 1539 ∈ wcel 2108 ∀wral 3063 ∃wrex 3064 class class class wbr 5070 ‘cfv 6418 (class class class)co 7255 ℕcn 11903 Basecbs 16840 0gc0g 17067 ltcplt 17941 .gcmg 18615 oGrpcogrp 31226 Archicarchi 31333 |
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-cnex 10858 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-1st 7804 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-nn 11904 df-n0 12164 df-z 12250 df-uz 12512 df-fz 13169 df-seq 13650 df-0g 17069 df-proset 17928 df-poset 17946 df-plt 17963 df-toset 18050 df-mgm 18241 df-sgrp 18290 df-mnd 18301 df-grp 18495 df-minusg 18496 df-mulg 18616 df-omnd 31227 df-ogrp 31228 df-inftm 31334 df-archi 31335 |
This theorem is referenced by: (None) |
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