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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 12261 | . 2 ⊢ 2 ∈ ℂ | |
| 2 | ax-1cn 11126 | . 2 ⊢ 1 ∈ ℂ | |
| 3 | df-3 12250 | . 2 ⊢ 3 = (2 + 1) | |
| 4 | 1, 2, 3 | mvrraddi 11438 | 1 ⊢ (3 − 1) = 2 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1540 (class class class)co 7387 1c1 11069 − cmin 11405 2c2 12241 3c3 12242 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-10 2142 ax-11 2158 ax-12 2178 ax-ext 2701 ax-sep 5251 ax-nul 5261 ax-pow 5320 ax-pr 5387 ax-un 7711 ax-resscn 11125 ax-1cn 11126 ax-icn 11127 ax-addcl 11128 ax-addrcl 11129 ax-mulcl 11130 ax-mulrcl 11131 ax-mulcom 11132 ax-addass 11133 ax-mulass 11134 ax-distr 11135 ax-i2m1 11136 ax-1ne0 11137 ax-1rid 11138 ax-rnegex 11139 ax-rrecex 11140 ax-cnre 11141 ax-pre-lttri 11142 ax-pre-lttrn 11143 ax-pre-ltadd 11144 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2533 df-eu 2562 df-clab 2708 df-cleq 2721 df-clel 2803 df-nfc 2878 df-ne 2926 df-nel 3030 df-ral 3045 df-rex 3054 df-reu 3355 df-rab 3406 df-v 3449 df-sbc 3754 df-csb 3863 df-dif 3917 df-un 3919 df-in 3921 df-ss 3931 df-nul 4297 df-if 4489 df-pw 4565 df-sn 4590 df-pr 4592 df-op 4596 df-uni 4872 df-br 5108 df-opab 5170 df-mpt 5189 df-id 5533 df-po 5546 df-so 5547 df-xp 5644 df-rel 5645 df-cnv 5646 df-co 5647 df-dm 5648 df-rn 5649 df-res 5650 df-ima 5651 df-iota 6464 df-fun 6513 df-fn 6514 df-f 6515 df-f1 6516 df-fo 6517 df-f1o 6518 df-fv 6519 df-riota 7344 df-ov 7390 df-oprab 7391 df-mpo 7392 df-er 8671 df-en 8919 df-dom 8920 df-sdom 8921 df-pnf 11210 df-mnf 11211 df-ltxr 11213 df-sub 11407 df-2 12249 df-3 12250 |
| This theorem is referenced by: ige3m2fz 13509 fzo13pr 13710 fzo0to3tp 13713 fldiv4p1lem1div2 13797 lsws3 14871 bpoly3 16024 rpnnen2lem3 16184 rpnnen2lem11 16192 3prm 16664 prmo3 17012 1cubrlem 26751 1cubr 26752 quart1 26766 log2cnv 26854 log2ublem3 26858 2lgslem3b 27308 2lgslem3d 27310 axlowdimlem16 28884 2pthd 29870 wlk2v2e 30086 ex-bc 30381 cyc3fv1 33094 cyc3fv2 33095 cyc3fv3 33096 iconstr 33756 cos9thpiminplylem2 33773 cos9thpiminplylem3 33774 fib4 34395 circlemethhgt 34634 cusgracyclt3v 35143 itg2addnclem3 37667 lcm3un 42003 aks4d1p1 42064 2np3bcnp1 42132 sin2t3rdpi 42341 cos2t3rdpi 42342 lhe4.4ex1a 44318 wallispilem4 46066 fmtnoge3 47531 fmtnoprmfac2lem1 47567 nnsum3primesle9 47795 grtriclwlk3 47944 gpg3kgrtriexlem5 48078 |
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