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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 12250 | . 2 ⊢ 2 ∈ ℂ | |
| 2 | ax-1cn 11090 | . 2 ⊢ 1 ∈ ℂ | |
| 3 | df-3 12239 | . 2 ⊢ 3 = (2 + 1) | |
| 4 | 1, 2, 3 | mvrraddi 11404 | 1 ⊢ (3 − 1) = 2 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1542 (class class class)co 7361 1c1 11033 − cmin 11371 2c2 12230 3c3 12231 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-sep 5232 ax-nul 5242 ax-pow 5303 ax-pr 5371 ax-un 7683 ax-resscn 11089 ax-1cn 11090 ax-icn 11091 ax-addcl 11092 ax-addrcl 11093 ax-mulcl 11094 ax-mulrcl 11095 ax-mulcom 11096 ax-addass 11097 ax-mulass 11098 ax-distr 11099 ax-i2m1 11100 ax-1ne0 11101 ax-1rid 11102 ax-rnegex 11103 ax-rrecex 11104 ax-cnre 11105 ax-pre-lttri 11106 ax-pre-lttrn 11107 ax-pre-ltadd 11108 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3063 df-reu 3344 df-rab 3391 df-v 3432 df-sbc 3730 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-br 5087 df-opab 5149 df-mpt 5168 df-id 5520 df-po 5533 df-so 5534 df-xp 5631 df-rel 5632 df-cnv 5633 df-co 5634 df-dm 5635 df-rn 5636 df-res 5637 df-ima 5638 df-iota 6449 df-fun 6495 df-fn 6496 df-f 6497 df-f1 6498 df-fo 6499 df-f1o 6500 df-fv 6501 df-riota 7318 df-ov 7364 df-oprab 7365 df-mpo 7366 df-er 8637 df-en 8888 df-dom 8889 df-sdom 8890 df-pnf 11175 df-mnf 11176 df-ltxr 11178 df-sub 11373 df-2 12238 df-3 12239 |
| This theorem is referenced by: ige3m2fz 13496 fzo13pr 13698 fzo0to3tp 13701 fldiv4p1lem1div2 13788 lsws3 14861 bpoly3 16017 rpnnen2lem3 16177 rpnnen2lem11 16185 3prm 16657 prmo3 17006 1cubrlem 26821 1cubr 26822 quart1 26836 log2cnv 26924 log2ublem3 26928 2lgslem3b 27377 2lgslem3d 27379 axlowdimlem16 29043 2pthd 30026 wlk2v2e 30245 ex-bc 30540 cyc3fv1 33216 cyc3fv2 33217 cyc3fv3 33218 iconstr 33929 cos9thpiminplylem2 33946 cos9thpiminplylem3 33947 fib4 34567 circlemethhgt 34806 cusgracyclt3v 35357 itg2addnclem3 38011 lcm3un 42471 aks4d1p1 42532 2np3bcnp1 42600 sin2t3rdpi 42802 cos2t3rdpi 42803 lhe4.4ex1a 44777 wallispilem4 46517 fmtnoge3 48008 fmtnoprmfac2lem1 48044 nnsum3primesle9 48285 grtriclwlk3 48436 gpg3kgrtriexlem5 48578 |
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