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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 12218 | . 2 ⊢ 2 ∈ ℂ | |
| 2 | ax-1cn 11082 | . 2 ⊢ 1 ∈ ℂ | |
| 3 | df-3 12207 | . 2 ⊢ 3 = (2 + 1) | |
| 4 | 1, 2, 3 | mvrraddi 11395 | 1 ⊢ (3 − 1) = 2 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1541 (class class class)co 7356 1c1 11025 − cmin 11362 2c2 12198 3c3 12199 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-10 2146 ax-11 2162 ax-12 2182 ax-ext 2706 ax-sep 5239 ax-nul 5249 ax-pow 5308 ax-pr 5375 ax-un 7678 ax-resscn 11081 ax-1cn 11082 ax-icn 11083 ax-addcl 11084 ax-addrcl 11085 ax-mulcl 11086 ax-mulrcl 11087 ax-mulcom 11088 ax-addass 11089 ax-mulass 11090 ax-distr 11091 ax-i2m1 11092 ax-1ne0 11093 ax-1rid 11094 ax-rnegex 11095 ax-rrecex 11096 ax-cnre 11097 ax-pre-lttri 11098 ax-pre-lttrn 11099 ax-pre-ltadd 11100 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2537 df-eu 2567 df-clab 2713 df-cleq 2726 df-clel 2809 df-nfc 2883 df-ne 2931 df-nel 3035 df-ral 3050 df-rex 3059 df-reu 3349 df-rab 3398 df-v 3440 df-sbc 3739 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4284 df-if 4478 df-pw 4554 df-sn 4579 df-pr 4581 df-op 4585 df-uni 4862 df-br 5097 df-opab 5159 df-mpt 5178 df-id 5517 df-po 5530 df-so 5531 df-xp 5628 df-rel 5629 df-cnv 5630 df-co 5631 df-dm 5632 df-rn 5633 df-res 5634 df-ima 5635 df-iota 6446 df-fun 6492 df-fn 6493 df-f 6494 df-f1 6495 df-fo 6496 df-f1o 6497 df-fv 6498 df-riota 7313 df-ov 7359 df-oprab 7360 df-mpo 7361 df-er 8633 df-en 8882 df-dom 8883 df-sdom 8884 df-pnf 11166 df-mnf 11167 df-ltxr 11169 df-sub 11364 df-2 12206 df-3 12207 |
| This theorem is referenced by: ige3m2fz 13462 fzo13pr 13663 fzo0to3tp 13666 fldiv4p1lem1div2 13753 lsws3 14826 bpoly3 15979 rpnnen2lem3 16139 rpnnen2lem11 16147 3prm 16619 prmo3 16967 1cubrlem 26805 1cubr 26806 quart1 26820 log2cnv 26908 log2ublem3 26912 2lgslem3b 27362 2lgslem3d 27364 axlowdimlem16 28979 2pthd 29962 wlk2v2e 30181 ex-bc 30476 cyc3fv1 33168 cyc3fv2 33169 cyc3fv3 33170 iconstr 33872 cos9thpiminplylem2 33889 cos9thpiminplylem3 33890 fib4 34510 circlemethhgt 34749 cusgracyclt3v 35299 itg2addnclem3 37813 lcm3un 42208 aks4d1p1 42269 2np3bcnp1 42337 sin2t3rdpi 42550 cos2t3rdpi 42551 lhe4.4ex1a 44512 wallispilem4 46254 fmtnoge3 47718 fmtnoprmfac2lem1 47754 nnsum3primesle9 47982 grtriclwlk3 48133 gpg3kgrtriexlem5 48275 |
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