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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 12232 | . 2 ⊢ 2 ∈ ℂ | |
| 2 | ax-1cn 11096 | . 2 ⊢ 1 ∈ ℂ | |
| 3 | df-3 12221 | . 2 ⊢ 3 = (2 + 1) | |
| 4 | 1, 2, 3 | mvrraddi 11409 | 1 ⊢ (3 − 1) = 2 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1542 (class class class)co 7368 1c1 11039 − cmin 11376 2c2 12212 3c3 12213 |
| 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 5243 ax-nul 5253 ax-pow 5312 ax-pr 5379 ax-un 7690 ax-resscn 11095 ax-1cn 11096 ax-icn 11097 ax-addcl 11098 ax-addrcl 11099 ax-mulcl 11100 ax-mulrcl 11101 ax-mulcom 11102 ax-addass 11103 ax-mulass 11104 ax-distr 11105 ax-i2m1 11106 ax-1ne0 11107 ax-1rid 11108 ax-rnegex 11109 ax-rrecex 11110 ax-cnre 11111 ax-pre-lttri 11112 ax-pre-lttrn 11113 ax-pre-ltadd 11114 |
| 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 3353 df-rab 3402 df-v 3444 df-sbc 3743 df-csb 3852 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-nul 4288 df-if 4482 df-pw 4558 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-br 5101 df-opab 5163 df-mpt 5182 df-id 5527 df-po 5540 df-so 5541 df-xp 5638 df-rel 5639 df-cnv 5640 df-co 5641 df-dm 5642 df-rn 5643 df-res 5644 df-ima 5645 df-iota 6456 df-fun 6502 df-fn 6503 df-f 6504 df-f1 6505 df-fo 6506 df-f1o 6507 df-fv 6508 df-riota 7325 df-ov 7371 df-oprab 7372 df-mpo 7373 df-er 8645 df-en 8896 df-dom 8897 df-sdom 8898 df-pnf 11180 df-mnf 11181 df-ltxr 11183 df-sub 11378 df-2 12220 df-3 12221 |
| This theorem is referenced by: ige3m2fz 13476 fzo13pr 13677 fzo0to3tp 13680 fldiv4p1lem1div2 13767 lsws3 14840 bpoly3 15993 rpnnen2lem3 16153 rpnnen2lem11 16161 3prm 16633 prmo3 16981 1cubrlem 26819 1cubr 26820 quart1 26834 log2cnv 26922 log2ublem3 26926 2lgslem3b 27376 2lgslem3d 27378 axlowdimlem16 29042 2pthd 30025 wlk2v2e 30244 ex-bc 30539 cyc3fv1 33231 cyc3fv2 33232 cyc3fv3 33233 iconstr 33944 cos9thpiminplylem2 33961 cos9thpiminplylem3 33962 fib4 34582 circlemethhgt 34821 cusgracyclt3v 35372 itg2addnclem3 37924 lcm3un 42385 aks4d1p1 42446 2np3bcnp1 42514 sin2t3rdpi 42723 cos2t3rdpi 42724 lhe4.4ex1a 44685 wallispilem4 46426 fmtnoge3 47890 fmtnoprmfac2lem1 47926 nnsum3primesle9 48154 grtriclwlk3 48305 gpg3kgrtriexlem5 48447 |
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