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Mirrors > Home > MPE Home > Th. List > Mathboxes > zringnm | Structured version Visualization version GIF version |
Description: The norm (function) for a ring of integers is the absolute value function (restricted to the integers). (Contributed by AV, 13-Jun-2019.) |
Ref | Expression |
---|---|
zringnm | ⊢ (norm‘ℤring) = (abs ↾ ℤ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cnring 20168 | . . 3 ⊢ ℂfld ∈ Ring | |
2 | ringmnd 18947 | . . 3 ⊢ (ℂfld ∈ Ring → ℂfld ∈ Mnd) | |
3 | 1, 2 | ax-mp 5 | . 2 ⊢ ℂfld ∈ Mnd |
4 | 0z 11743 | . 2 ⊢ 0 ∈ ℤ | |
5 | zsscn 11740 | . 2 ⊢ ℤ ⊆ ℂ | |
6 | df-zring 20219 | . . . 4 ⊢ ℤring = (ℂfld ↾s ℤ) | |
7 | cnfldbas 20150 | . . . 4 ⊢ ℂ = (Base‘ℂfld) | |
8 | cnfld0 20170 | . . . 4 ⊢ 0 = (0g‘ℂfld) | |
9 | cnfldnm 22994 | . . . 4 ⊢ abs = (norm‘ℂfld) | |
10 | 6, 7, 8, 9 | ressnm 30217 | . . 3 ⊢ ((ℂfld ∈ Mnd ∧ 0 ∈ ℤ ∧ ℤ ⊆ ℂ) → (abs ↾ ℤ) = (norm‘ℤring)) |
11 | 10 | eqcomd 2784 | . 2 ⊢ ((ℂfld ∈ Mnd ∧ 0 ∈ ℤ ∧ ℤ ⊆ ℂ) → (norm‘ℤring) = (abs ↾ ℤ)) |
12 | 3, 4, 5, 11 | mp3an 1534 | 1 ⊢ (norm‘ℤring) = (abs ↾ ℤ) |
Colors of variables: wff setvar class |
Syntax hints: ∧ w3a 1071 = wceq 1601 ∈ wcel 2107 ⊆ wss 3792 ↾ cres 5359 ‘cfv 6137 ℂcc 10272 0cc0 10274 ℤcz 11732 abscabs 14385 Mndcmnd 17684 Ringcrg 18938 ℂfldccnfld 20146 ℤringzring 20218 normcnm 22793 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1839 ax-4 1853 ax-5 1953 ax-6 2021 ax-7 2055 ax-8 2109 ax-9 2116 ax-10 2135 ax-11 2150 ax-12 2163 ax-13 2334 ax-ext 2754 ax-sep 5019 ax-nul 5027 ax-pow 5079 ax-pr 5140 ax-un 7228 ax-cnex 10330 ax-resscn 10331 ax-1cn 10332 ax-icn 10333 ax-addcl 10334 ax-addrcl 10335 ax-mulcl 10336 ax-mulrcl 10337 ax-mulcom 10338 ax-addass 10339 ax-mulass 10340 ax-distr 10341 ax-i2m1 10342 ax-1ne0 10343 ax-1rid 10344 ax-rnegex 10345 ax-rrecex 10346 ax-cnre 10347 ax-pre-lttri 10348 ax-pre-lttrn 10349 ax-pre-ltadd 10350 ax-pre-mulgt0 10351 ax-pre-sup 10352 ax-addf 10353 ax-mulf 10354 |
This theorem depends on definitions: df-bi 199 df-an 387 df-or 837 df-3or 1072 df-3an 1073 df-tru 1605 df-ex 1824 df-nf 1828 df-sb 2012 df-mo 2551 df-eu 2587 df-clab 2764 df-cleq 2770 df-clel 2774 df-nfc 2921 df-ne 2970 df-nel 3076 df-ral 3095 df-rex 3096 df-reu 3097 df-rmo 3098 df-rab 3099 df-v 3400 df-sbc 3653 df-csb 3752 df-dif 3795 df-un 3797 df-in 3799 df-ss 3806 df-pss 3808 df-nul 4142 df-if 4308 df-pw 4381 df-sn 4399 df-pr 4401 df-tp 4403 df-op 4405 df-uni 4674 df-int 4713 df-iun 4757 df-br 4889 df-opab 4951 df-mpt 4968 df-tr 4990 df-id 5263 df-eprel 5268 df-po 5276 df-so 5277 df-fr 5316 df-we 5318 df-xp 5363 df-rel 5364 df-cnv 5365 df-co 5366 df-dm 5367 df-rn 5368 df-res 5369 df-ima 5370 df-pred 5935 df-ord 5981 df-on 5982 df-lim 5983 df-suc 5984 df-iota 6101 df-fun 6139 df-fn 6140 df-f 6141 df-f1 6142 df-fo 6143 df-f1o 6144 df-fv 6145 df-riota 6885 df-ov 6927 df-oprab 6928 df-mpt2 6929 df-om 7346 df-1st 7447 df-2nd 7448 df-wrecs 7691 df-recs 7753 df-rdg 7791 df-1o 7845 df-oadd 7849 df-er 8028 df-en 8244 df-dom 8245 df-sdom 8246 df-fin 8247 df-sup 8638 df-pnf 10415 df-mnf 10416 df-xr 10417 df-ltxr 10418 df-le 10419 df-sub 10610 df-neg 10611 df-div 11035 df-nn 11379 df-2 11442 df-3 11443 df-4 11444 df-5 11445 df-6 11446 df-7 11447 df-8 11448 df-9 11449 df-n0 11647 df-z 11733 df-dec 11850 df-uz 11997 df-rp 12142 df-fz 12648 df-seq 13124 df-exp 13183 df-cj 14250 df-re 14251 df-im 14252 df-sqrt 14386 df-abs 14387 df-struct 16261 df-ndx 16262 df-slot 16263 df-base 16265 df-sets 16266 df-ress 16267 df-plusg 16355 df-mulr 16356 df-starv 16357 df-tset 16361 df-ple 16362 df-ds 16364 df-unif 16365 df-0g 16492 df-mgm 17632 df-sgrp 17674 df-mnd 17685 df-grp 17816 df-cmn 18585 df-mgp 18881 df-ring 18940 df-cring 18941 df-cnfld 20147 df-zring 20219 df-nm 22799 |
This theorem is referenced by: zzsnm 30607 cnzh 30616 rezh 30617 |
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