Mathbox for Thierry Arnoux |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > nn0archi | Structured version Visualization version GIF version |
Description: The monoid of the nonnegative integers is Archimedean. (Contributed by Thierry Arnoux, 16-Sep-2018.) |
Ref | Expression |
---|---|
nn0archi | ⊢ (ℂfld ↾s ℕ0) ∈ Archi |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-refld 20808 | . . . 4 ⊢ ℝfld = (ℂfld ↾s ℝ) | |
2 | 1 | oveq1i 7281 | . . 3 ⊢ (ℝfld ↾s ℕ0) = ((ℂfld ↾s ℝ) ↾s ℕ0) |
3 | resubdrg 20811 | . . . . 5 ⊢ (ℝ ∈ (SubRing‘ℂfld) ∧ ℝfld ∈ DivRing) | |
4 | 3 | simpli 484 | . . . 4 ⊢ ℝ ∈ (SubRing‘ℂfld) |
5 | nn0ssre 12237 | . . . 4 ⊢ ℕ0 ⊆ ℝ | |
6 | ressabs 16957 | . . . 4 ⊢ ((ℝ ∈ (SubRing‘ℂfld) ∧ ℕ0 ⊆ ℝ) → ((ℂfld ↾s ℝ) ↾s ℕ0) = (ℂfld ↾s ℕ0)) | |
7 | 4, 5, 6 | mp2an 689 | . . 3 ⊢ ((ℂfld ↾s ℝ) ↾s ℕ0) = (ℂfld ↾s ℕ0) |
8 | 2, 7 | eqtri 2768 | . 2 ⊢ (ℝfld ↾s ℕ0) = (ℂfld ↾s ℕ0) |
9 | retos 20821 | . . . 4 ⊢ ℝfld ∈ Toset | |
10 | rearchi 31542 | . . . 4 ⊢ ℝfld ∈ Archi | |
11 | 9, 10 | pm3.2i 471 | . . 3 ⊢ (ℝfld ∈ Toset ∧ ℝfld ∈ Archi) |
12 | nn0subm 20651 | . . . 4 ⊢ ℕ0 ∈ (SubMnd‘ℂfld) | |
13 | subrgsubg 20028 | . . . . . 6 ⊢ (ℝ ∈ (SubRing‘ℂfld) → ℝ ∈ (SubGrp‘ℂfld)) | |
14 | subgsubm 18775 | . . . . . 6 ⊢ (ℝ ∈ (SubGrp‘ℂfld) → ℝ ∈ (SubMnd‘ℂfld)) | |
15 | 4, 13, 14 | mp2b 10 | . . . . 5 ⊢ ℝ ∈ (SubMnd‘ℂfld) |
16 | 1 | subsubm 18453 | . . . . 5 ⊢ (ℝ ∈ (SubMnd‘ℂfld) → (ℕ0 ∈ (SubMnd‘ℝfld) ↔ (ℕ0 ∈ (SubMnd‘ℂfld) ∧ ℕ0 ⊆ ℝ))) |
17 | 15, 16 | ax-mp 5 | . . . 4 ⊢ (ℕ0 ∈ (SubMnd‘ℝfld) ↔ (ℕ0 ∈ (SubMnd‘ℂfld) ∧ ℕ0 ⊆ ℝ)) |
18 | 12, 5, 17 | mpbir2an 708 | . . 3 ⊢ ℕ0 ∈ (SubMnd‘ℝfld) |
19 | submarchi 31436 | . . 3 ⊢ (((ℝfld ∈ Toset ∧ ℝfld ∈ Archi) ∧ ℕ0 ∈ (SubMnd‘ℝfld)) → (ℝfld ↾s ℕ0) ∈ Archi) | |
20 | 11, 18, 19 | mp2an 689 | . 2 ⊢ (ℝfld ↾s ℕ0) ∈ Archi |
21 | 8, 20 | eqeltrri 2838 | 1 ⊢ (ℂfld ↾s ℕ0) ∈ Archi |
Colors of variables: wff setvar class |
Syntax hints: ↔ wb 205 ∧ wa 396 = wceq 1542 ∈ wcel 2110 ⊆ wss 3892 ‘cfv 6432 (class class class)co 7271 ℝcr 10871 ℕ0cn0 12233 ↾s cress 16939 Tosetctos 18132 SubMndcsubmnd 18427 SubGrpcsubg 18747 DivRingcdr 19989 SubRingcsubrg 20018 ℂfldccnfld 20595 ℝfldcrefld 20807 Archicarchi 31427 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1975 ax-7 2015 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2158 ax-12 2175 ax-ext 2711 ax-rep 5214 ax-sep 5227 ax-nul 5234 ax-pow 5292 ax-pr 5356 ax-un 7582 ax-cnex 10928 ax-resscn 10929 ax-1cn 10930 ax-icn 10931 ax-addcl 10932 ax-addrcl 10933 ax-mulcl 10934 ax-mulrcl 10935 ax-mulcom 10936 ax-addass 10937 ax-mulass 10938 ax-distr 10939 ax-i2m1 10940 ax-1ne0 10941 ax-1rid 10942 ax-rnegex 10943 ax-rrecex 10944 ax-cnre 10945 ax-pre-lttri 10946 ax-pre-lttrn 10947 ax-pre-ltadd 10948 ax-pre-mulgt0 10949 ax-pre-sup 10950 ax-addf 10951 ax-mulf 10952 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3or 1087 df-3an 1088 df-tru 1545 df-fal 1555 df-ex 1787 df-nf 1791 df-sb 2072 df-mo 2542 df-eu 2571 df-clab 2718 df-cleq 2732 df-clel 2818 df-nfc 2891 df-ne 2946 df-nel 3052 df-ral 3071 df-rex 3072 df-reu 3073 df-rmo 3074 df-rab 3075 df-v 3433 df-sbc 3721 df-csb 3838 df-dif 3895 df-un 3897 df-in 3899 df-ss 3909 df-pss 3911 df-nul 4263 df-if 4466 df-pw 4541 df-sn 4568 df-pr 4570 df-tp 4572 df-op 4574 df-uni 4846 df-iun 4932 df-br 5080 df-opab 5142 df-mpt 5163 df-tr 5197 df-id 5490 df-eprel 5496 df-po 5504 df-so 5505 df-fr 5545 df-we 5547 df-xp 5596 df-rel 5597 df-cnv 5598 df-co 5599 df-dm 5600 df-rn 5601 df-res 5602 df-ima 5603 df-pred 6201 df-ord 6268 df-on 6269 df-lim 6270 df-suc 6271 df-iota 6390 df-fun 6434 df-fn 6435 df-f 6436 df-f1 6437 df-fo 6438 df-f1o 6439 df-fv 6440 df-riota 7228 df-ov 7274 df-oprab 7275 df-mpo 7276 df-om 7707 df-1st 7824 df-2nd 7825 df-tpos 8033 df-frecs 8088 df-wrecs 8119 df-recs 8193 df-rdg 8232 df-1o 8288 df-er 8481 df-map 8600 df-en 8717 df-dom 8718 df-sdom 8719 df-fin 8720 df-pnf 11012 df-mnf 11013 df-xr 11014 df-ltxr 11015 df-le 11016 df-sub 11207 df-neg 11208 df-div 11633 df-nn 11974 df-2 12036 df-3 12037 df-4 12038 df-5 12039 df-6 12040 df-7 12041 df-8 12042 df-9 12043 df-n0 12234 df-z 12320 df-dec 12437 df-uz 12582 df-fz 13239 df-seq 13720 df-struct 16846 df-sets 16863 df-slot 16881 df-ndx 16893 df-base 16911 df-ress 16940 df-plusg 16973 df-mulr 16974 df-starv 16975 df-tset 16979 df-ple 16980 df-ds 16982 df-unif 16983 df-0g 17150 df-proset 18011 df-poset 18029 df-plt 18046 df-toset 18133 df-ps 18282 df-tsr 18283 df-mgm 18324 df-sgrp 18373 df-mnd 18384 df-mhm 18428 df-submnd 18429 df-grp 18578 df-minusg 18579 df-sbg 18580 df-mulg 18699 df-subg 18750 df-ghm 18830 df-cmn 19386 df-mgp 19719 df-ur 19736 df-ring 19783 df-cring 19784 df-oppr 19860 df-dvdsr 19881 df-unit 19882 df-invr 19912 df-dvr 19923 df-rnghom 19957 df-drng 19991 df-field 19992 df-subrg 20020 df-cnfld 20596 df-zring 20669 df-zrh 20703 df-refld 20808 df-omnd 31321 df-ogrp 31322 df-inftm 31428 df-archi 31429 df-orng 31492 df-ofld 31493 |
This theorem is referenced by: (None) |
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