| Mathbox for Thierry Arnoux |
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| Mirrors > Home > MPE Home > Th. List > Mathboxes > iistmd | Structured version Visualization version GIF version | ||
| Description: The closed unit interval forms a topological monoid under multiplication. (Contributed by Thierry Arnoux, 25-Mar-2017.) |
| Ref | Expression |
|---|---|
| df-iis | ⊢ 𝐼 = ((mulGrp‘ℂfld) ↾s (0[,]1)) |
| Ref | Expression |
|---|---|
| iistmd | ⊢ 𝐼 ∈ TopMnd |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cnnrg 25132 | . . 3 ⊢ ℂfld ∈ NrmRing | |
| 2 | nrgtrg 25042 | . . 3 ⊢ (ℂfld ∈ NrmRing → ℂfld ∈ TopRing) | |
| 3 | eqid 2763 | . . . 4 ⊢ (mulGrp‘ℂfld) = (mulGrp‘ℂfld) | |
| 4 | 3 | trgtmd 24517 | . . 3 ⊢ (ℂfld ∈ TopRing → (mulGrp‘ℂfld) ∈ TopMnd) |
| 5 | 1, 2, 4 | mp2b 10 | . 2 ⊢ (mulGrp‘ℂfld) ∈ TopMnd |
| 6 | unitsscn 13661 | . . 3 ⊢ (0[,]1) ⊆ ℂ | |
| 7 | 1elunit 13631 | . . 3 ⊢ 1 ∈ (0[,]1) | |
| 8 | iimulcl 25291 | . . . 4 ⊢ ((𝑥 ∈ (0[,]1) ∧ 𝑦 ∈ (0[,]1)) → (𝑥 · 𝑦) ∈ (0[,]1)) | |
| 9 | 8 | rgen2 3206 | . . 3 ⊢ ∀𝑥 ∈ (0[,]1)∀𝑦 ∈ (0[,]1)(𝑥 · 𝑦) ∈ (0[,]1) |
| 10 | nrgring 25015 | . . . . 5 ⊢ (ℂfld ∈ NrmRing → ℂfld ∈ Ring) | |
| 11 | 3 | ringmgp 20498 | . . . . 5 ⊢ (ℂfld ∈ Ring → (mulGrp‘ℂfld) ∈ Mnd) |
| 12 | 1, 10, 11 | mp2b 10 | . . . 4 ⊢ (mulGrp‘ℂfld) ∈ Mnd |
| 13 | cnfldbas 21715 | . . . . . 6 ⊢ ℂ = (Base‘ℂfld) | |
| 14 | 3, 13 | mgpbas 20398 | . . . . 5 ⊢ ℂ = (Base‘(mulGrp‘ℂfld)) |
| 15 | cnfld1 21736 | . . . . . 6 ⊢ 1 = (1r‘ℂfld) | |
| 16 | 3, 15 | ringidval 20442 | . . . . 5 ⊢ 1 = (0g‘(mulGrp‘ℂfld)) |
| 17 | cnfldmul 21719 | . . . . . 6 ⊢ · = (.r‘ℂfld) | |
| 18 | 3, 17 | mgpplusg 20397 | . . . . 5 ⊢ · = (+g‘(mulGrp‘ℂfld)) |
| 19 | 14, 16, 18 | issubm 19030 | . . . 4 ⊢ ((mulGrp‘ℂfld) ∈ Mnd → ((0[,]1) ∈ (SubMnd‘(mulGrp‘ℂfld)) ↔ ((0[,]1) ⊆ ℂ ∧ 1 ∈ (0[,]1) ∧ ∀𝑥 ∈ (0[,]1)∀𝑦 ∈ (0[,]1)(𝑥 · 𝑦) ∈ (0[,]1)))) |
| 20 | 12, 19 | ax-mp 5 | . . 3 ⊢ ((0[,]1) ∈ (SubMnd‘(mulGrp‘ℂfld)) ↔ ((0[,]1) ⊆ ℂ ∧ 1 ∈ (0[,]1) ∧ ∀𝑥 ∈ (0[,]1)∀𝑦 ∈ (0[,]1)(𝑥 · 𝑦) ∈ (0[,]1))) |
| 21 | 6, 7, 9, 20 | mpbir3an 1360 | . 2 ⊢ (0[,]1) ∈ (SubMnd‘(mulGrp‘ℂfld)) |
| 22 | df-iis | . . 3 ⊢ 𝐼 = ((mulGrp‘ℂfld) ↾s (0[,]1)) | |
| 23 | 22 | submtmd 24456 | . 2 ⊢ (((mulGrp‘ℂfld) ∈ TopMnd ∧ (0[,]1) ∈ (SubMnd‘(mulGrp‘ℂfld))) → 𝐼 ∈ TopMnd) |
| 24 | 5, 21, 23 | mp2an 705 | 1 ⊢ 𝐼 ∈ TopMnd |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ↔ wb 209 ∧ w3a 1103 = wceq 1570 ∈ wcel 2147 ∀wral 3080 ⊆ wss 3900 ‘cfv 6561 (class class class)co 7446 ℂcc 11228 0cc0 11230 1c1 11231 · cmul 11235 [,]cicc 13509 ↾s cress 17440 Mndcmnd 18955 SubMndcsubmnd 19009 mulGrpcmgp 20393 Ringcrg 20492 ℂfldccnfld 21711 TopMndctmd 24422 TopRingctrg 24508 NrmRingcnrg 24931 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-rep 5236 ax-sep 5253 ax-nul 5264 ax-pow 5332 ax-pr 5396 ax-un 7778 ax-cnex 11286 ax-resscn 11287 ax-1cn 11288 ax-icn 11289 ax-addcl 11290 ax-addrcl 11291 ax-mulcl 11292 ax-mulrcl 11293 ax-mulcom 11294 ax-addass 11295 ax-mulass 11296 ax-distr 11297 ax-i2m1 11298 ax-1ne0 11299 ax-1rid 11300 ax-rnegex 11301 ax-rrecex 11302 ax-cnre 11303 ax-pre-lttri 11304 ax-pre-lttrn 11305 ax-pre-ltadd 11306 ax-pre-mulgt0 11307 ax-pre-sup 11308 ax-addf 11309 ax-mulf 11310 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-nel 3066 df-ral 3081 df-rex 3091 df-rmo 3369 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-pss 4017 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-tp 4593 df-op 4839 df-uni 4871 df-int 4911 df-iun 4956 df-iin 4957 df-br 5107 df-opab 5172 df-mpt 5191 df-tr 5217 df-id 5551 df-eprel 5556 df-po 5564 df-so 5565 df-fr 5609 df-se 5610 df-we 5611 df-xp 5662 df-rel 5663 df-cnv 5664 df-co 5665 df-dm 5666 df-rn 5667 df-res 5668 df-ima 5669 df-pred 6325 df-ord 6386 df-on 6387 df-lim 6388 df-suc 6389 df-iota 6515 df-fun 6563 df-fn 6564 df-f 6565 df-f1 6566 df-fo 6567 df-f1o 6568 df-fv 6569 df-isom 6570 df-riota 7403 df-ov 7449 df-oprab 7450 df-mpo 7451 df-of 7720 df-om 7905 df-1st 8028 df-2nd 8029 df-supp 8208 df-frecs 8330 df-wrecs 8361 df-recs 8410 df-rdg 8449 df-1o 8507 df-2o 8508 df-er 8748 df-map 8880 df-ixp 8957 df-en 9005 df-dom 9006 df-sdom 9007 df-fin 9008 df-fsupp 9385 df-fi 9433 df-sup 9464 df-inf 9465 df-oi 9534 df-card 10050 df-pnf 11375 df-mnf 11376 df-xr 11377 df-ltxr 11378 df-le 11379 df-sub 11573 df-neg 11574 df-div 12004 df-nn 12366 df-2 12435 df-3 12436 df-4 12437 df-5 12438 df-6 12439 df-7 12440 df-8 12441 df-9 12442 df-n0 12637 df-z 12724 df-dec 12845 df-uz 12996 df-q 13106 df-rp 13151 df-xneg 13271 df-xadd 13272 df-xmul 13273 df-ico 13512 df-icc 13513 df-fz 13670 df-fzo 13819 df-seq 14175 df-exp 14235 df-hash 14505 df-cj 15298 df-re 15299 df-im 15300 df-sqrt 15434 df-abs 15435 df-struct 17357 df-sets 17374 df-slot 17392 df-ndx 17404 df-base 17420 df-ress 17441 df-plusg 17473 df-mulr 17474 df-starv 17475 df-sca 17476 df-vsca 17477 df-ip 17478 df-tset 17479 df-ple 17480 df-ds 17482 df-unif 17483 df-hom 17484 df-cco 17485 df-rest 17625 df-topn 17626 df-0g 17644 df-gsum 17645 df-topgen 17646 df-pt 17647 df-prds 17650 df-xrs 17706 df-qtop 17711 df-imas 17712 df-xps 17714 df-mre 17788 df-mrc 17789 df-acs 17791 df-plusf 18847 df-mgm 18848 df-sgrp 18940 df-mnd 18956 df-submnd 19011 df-grp 19179 df-minusg 19180 df-sbg 19181 df-mulg 19310 df-subg 19365 df-cntz 19564 df-cmn 20029 df-abl 20030 df-mgp 20394 df-rng 20408 df-ur 20441 df-ring 20494 df-cring 20495 df-subrng 20831 df-subrg 20855 df-abv 21099 df-lmod 21170 df-scaf 21171 df-sra 21481 df-rgmod 21482 df-psmet 21703 df-xmet 21704 df-met 21705 df-bl 21706 df-mopn 21707 df-cnfld 21712 df-top 23245 df-topon 23262 df-topsp 23284 df-bases 23297 df-cn 23578 df-cnp 23579 df-tx 23914 df-hmeo 24107 df-tmd 24424 df-tgp 24425 df-trg 24512 df-xms 24672 df-ms 24673 df-tms 24674 df-nm 24934 df-ngp 24935 df-nrg 24937 df-nlm 24938 |
| This theorem is used by: xrge0iifmhm 34654 xrge0pluscn 34655 xrge0tmd 34660 |
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