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Mirrors > Home > MPE Home > Th. List > re0g | Structured version Visualization version GIF version |
Description: The neutral element of the field of reals. (Contributed by Thierry Arnoux, 1-Nov-2017.) |
Ref | Expression |
---|---|
re0g | ⊢ 0 = (0g‘ℝfld) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cncrng 20338 | . . 3 ⊢ ℂfld ∈ CRing | |
2 | crngring 19528 | . . 3 ⊢ (ℂfld ∈ CRing → ℂfld ∈ Ring) | |
3 | ringmnd 19526 | . . 3 ⊢ (ℂfld ∈ Ring → ℂfld ∈ Mnd) | |
4 | 1, 2, 3 | mp2b 10 | . 2 ⊢ ℂfld ∈ Mnd |
5 | 0re 10800 | . 2 ⊢ 0 ∈ ℝ | |
6 | ax-resscn 10751 | . 2 ⊢ ℝ ⊆ ℂ | |
7 | df-refld 20521 | . . 3 ⊢ ℝfld = (ℂfld ↾s ℝ) | |
8 | cnfldbas 20321 | . . 3 ⊢ ℂ = (Base‘ℂfld) | |
9 | cnfld0 20341 | . . 3 ⊢ 0 = (0g‘ℂfld) | |
10 | 7, 8, 9 | ress0g 18155 | . 2 ⊢ ((ℂfld ∈ Mnd ∧ 0 ∈ ℝ ∧ ℝ ⊆ ℂ) → 0 = (0g‘ℝfld)) |
11 | 4, 5, 6, 10 | mp3an 1463 | 1 ⊢ 0 = (0g‘ℝfld) |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1543 ∈ wcel 2112 ⊆ wss 3853 ‘cfv 6358 ℂcc 10692 ℝcr 10693 0cc0 10694 0gc0g 16898 Mndcmnd 18127 Ringcrg 19516 CRingccrg 19517 ℂfldccnfld 20317 ℝfldcrefld 20520 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1976 ax-7 2018 ax-8 2114 ax-9 2122 ax-10 2143 ax-11 2160 ax-12 2177 ax-ext 2708 ax-sep 5177 ax-nul 5184 ax-pow 5243 ax-pr 5307 ax-un 7501 ax-cnex 10750 ax-resscn 10751 ax-1cn 10752 ax-icn 10753 ax-addcl 10754 ax-addrcl 10755 ax-mulcl 10756 ax-mulrcl 10757 ax-mulcom 10758 ax-addass 10759 ax-mulass 10760 ax-distr 10761 ax-i2m1 10762 ax-1ne0 10763 ax-1rid 10764 ax-rnegex 10765 ax-rrecex 10766 ax-cnre 10767 ax-pre-lttri 10768 ax-pre-lttrn 10769 ax-pre-ltadd 10770 ax-pre-mulgt0 10771 ax-addf 10773 ax-mulf 10774 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 848 df-3or 1090 df-3an 1091 df-tru 1546 df-fal 1556 df-ex 1788 df-nf 1792 df-sb 2073 df-mo 2539 df-eu 2568 df-clab 2715 df-cleq 2728 df-clel 2809 df-nfc 2879 df-ne 2933 df-nel 3037 df-ral 3056 df-rex 3057 df-reu 3058 df-rmo 3059 df-rab 3060 df-v 3400 df-sbc 3684 df-csb 3799 df-dif 3856 df-un 3858 df-in 3860 df-ss 3870 df-pss 3872 df-nul 4224 df-if 4426 df-pw 4501 df-sn 4528 df-pr 4530 df-tp 4532 df-op 4534 df-uni 4806 df-iun 4892 df-br 5040 df-opab 5102 df-mpt 5121 df-tr 5147 df-id 5440 df-eprel 5445 df-po 5453 df-so 5454 df-fr 5494 df-we 5496 df-xp 5542 df-rel 5543 df-cnv 5544 df-co 5545 df-dm 5546 df-rn 5547 df-res 5548 df-ima 5549 df-pred 6140 df-ord 6194 df-on 6195 df-lim 6196 df-suc 6197 df-iota 6316 df-fun 6360 df-fn 6361 df-f 6362 df-f1 6363 df-fo 6364 df-f1o 6365 df-fv 6366 df-riota 7148 df-ov 7194 df-oprab 7195 df-mpo 7196 df-om 7623 df-1st 7739 df-2nd 7740 df-wrecs 8025 df-recs 8086 df-rdg 8124 df-1o 8180 df-er 8369 df-en 8605 df-dom 8606 df-sdom 8607 df-fin 8608 df-pnf 10834 df-mnf 10835 df-xr 10836 df-ltxr 10837 df-le 10838 df-sub 11029 df-neg 11030 df-nn 11796 df-2 11858 df-3 11859 df-4 11860 df-5 11861 df-6 11862 df-7 11863 df-8 11864 df-9 11865 df-n0 12056 df-z 12142 df-dec 12259 df-uz 12404 df-fz 13061 df-struct 16668 df-ndx 16669 df-slot 16670 df-base 16672 df-sets 16673 df-ress 16674 df-plusg 16762 df-mulr 16763 df-starv 16764 df-tset 16768 df-ple 16769 df-ds 16771 df-unif 16772 df-0g 16900 df-mgm 18068 df-sgrp 18117 df-mnd 18128 df-grp 18322 df-cmn 19126 df-mgp 19459 df-ring 19518 df-cring 19519 df-cnfld 20318 df-refld 20521 |
This theorem is referenced by: redvr 20533 rrxbase 24239 rrxcph 24243 rrxds 24244 rrx0 24248 reofld 31212 qqhre 31636 |
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