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| Mirrors > Home > MPE Home > Th. List > 3m1e2 | Structured version Visualization version GIF version | ||
| Description: 3 - 1 = 2. (Contributed by FL, 17-Oct-2010.) (Revised by NM, 10-Dec-2017.) (Proof shortened by AV, 6-Sep-2021.) |
| Ref | Expression |
|---|---|
| 3m1e2 | ⊢ (3 − 1) = 2 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 2cn 12311 | . 2 ⊢ 2 ∈ ℂ | |
| 2 | ax-1cn 11153 | . 2 ⊢ 1 ∈ ℂ | |
| 3 | df-3 12299 | . 2 ⊢ 3 = (2 + 1) | |
| 4 | 1, 2, 3 | mvrraddi 11469 | 1 ⊢ (3 − 1) = 2 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1570 (class class class)co 7410 1c1 11096 − cmin 11436 2c2 12290 3c3 12291 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-sep 5257 ax-nul 5269 ax-pow 5336 ax-pr 5404 ax-un 7732 ax-resscn 11152 ax-1cn 11153 ax-icn 11154 ax-addcl 11155 ax-addrcl 11156 ax-mulcl 11157 ax-mulrcl 11158 ax-mulcom 11159 ax-addass 11160 ax-mulass 11161 ax-distr 11162 ax-i2m1 11163 ax-1ne0 11164 ax-1rid 11165 ax-rnegex 11166 ax-rrecex 11167 ax-cnre 11168 ax-pre-lttri 11169 ax-pre-lttrn 11170 ax-pre-ltadd 11171 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-nf 1814 df-sb 2097 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-nel 3065 df-ral 3080 df-rex 3090 df-reu 3370 df-rab 3417 df-v 3457 df-sbc 3745 df-csb 3854 df-dif 3908 df-un 3910 df-in 3912 df-ss 3922 df-nul 4287 df-if 4488 df-pw 4564 df-sn 4590 df-pr 4592 df-op 4596 df-uni 4873 df-br 5110 df-opab 5174 df-mpt 5193 df-id 5556 df-po 5569 df-so 5570 df-xp 5667 df-rel 5668 df-cnv 5669 df-co 5670 df-dm 5671 df-rn 5672 df-res 5673 df-ima 5674 df-iota 6492 df-fun 6538 df-fn 6539 df-f 6540 df-f1 6541 df-fo 6542 df-f1o 6543 df-fv 6544 df-riota 7367 df-ov 7413 df-oprab 7414 df-mpo 7415 df-er 8690 df-en 8940 df-dom 8941 df-sdom 8942 df-pnf 11240 df-mnf 11241 df-ltxr 11243 df-sub 11438 df-2 12298 df-3 12299 |
| This theorem is referenced by: ige3m2fz 13572 fzo13pr 13774 fzo0to3tp 13777 fldiv4p1lem1div2 13864 lsws3 14938 bpoly3 16107 rpnnen2lem3 16267 rpnnen2lem11 16275 3prm 16747 prmo3 17096 1cubrlem 27006 1cubr 27007 quart1 27021 log2cnv 27109 log2ublem3 27113 basellem8 27252 2lgslem3b 27561 2lgslem3d 27563 axlowdimlem16 29307 2pthd 30289 wlk2v2e 30508 ex-bc 30803 cyc3fv1 33457 cyc3fv2 33458 cyc3fv3 33459 iconstr 34156 cos9thpiminplylem2 34173 cos9thpiminplylem3 34174 fib4 34794 circlemethhgt 35030 cusgracyclt3v 35648 itg2addnclem3 38324 lcm3un 42782 aks4d1p1 42843 2np3bcnp1 42911 sin2t3rdpi 43114 cos2t3rdpi 43115 lhe4.4ex1a 45039 wallispilem4 46782 fmtnoge3 48282 fmtnoprmfac2lem1 48318 nnsum3primesle9 48559 grtriclwlk3 48710 gpg3kgrtriexlem5 48852 |
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