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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 12368 | . 2 ⊢ 2 ∈ ℂ | |
2 | ax-1cn 11242 | . 2 ⊢ 1 ∈ ℂ | |
3 | df-3 12357 | . 2 ⊢ 3 = (2 + 1) | |
4 | 1, 2, 3 | mvrraddi 11553 | 1 ⊢ (3 − 1) = 2 |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1537 (class class class)co 7448 1c1 11185 − cmin 11520 2c2 12348 3c3 12349 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1793 ax-4 1807 ax-5 1909 ax-6 1967 ax-7 2007 ax-8 2110 ax-9 2118 ax-10 2141 ax-11 2158 ax-12 2178 ax-ext 2711 ax-sep 5317 ax-nul 5324 ax-pow 5383 ax-pr 5447 ax-un 7770 ax-resscn 11241 ax-1cn 11242 ax-icn 11243 ax-addcl 11244 ax-addrcl 11245 ax-mulcl 11246 ax-mulrcl 11247 ax-mulcom 11248 ax-addass 11249 ax-mulass 11250 ax-distr 11251 ax-i2m1 11252 ax-1ne0 11253 ax-1rid 11254 ax-rnegex 11255 ax-rrecex 11256 ax-cnre 11257 ax-pre-lttri 11258 ax-pre-lttrn 11259 ax-pre-ltadd 11260 |
This theorem depends on definitions: df-bi 207 df-an 396 df-or 847 df-3or 1088 df-3an 1089 df-tru 1540 df-fal 1550 df-ex 1778 df-nf 1782 df-sb 2065 df-mo 2543 df-eu 2572 df-clab 2718 df-cleq 2732 df-clel 2819 df-nfc 2895 df-ne 2947 df-nel 3053 df-ral 3068 df-rex 3077 df-reu 3389 df-rab 3444 df-v 3490 df-sbc 3805 df-csb 3922 df-dif 3979 df-un 3981 df-in 3983 df-ss 3993 df-nul 4353 df-if 4549 df-pw 4624 df-sn 4649 df-pr 4651 df-op 4655 df-uni 4932 df-br 5167 df-opab 5229 df-mpt 5250 df-id 5593 df-po 5607 df-so 5608 df-xp 5706 df-rel 5707 df-cnv 5708 df-co 5709 df-dm 5710 df-rn 5711 df-res 5712 df-ima 5713 df-iota 6525 df-fun 6575 df-fn 6576 df-f 6577 df-f1 6578 df-fo 6579 df-f1o 6580 df-fv 6581 df-riota 7404 df-ov 7451 df-oprab 7452 df-mpo 7453 df-er 8763 df-en 9004 df-dom 9005 df-sdom 9006 df-pnf 11326 df-mnf 11327 df-ltxr 11329 df-sub 11522 df-2 12356 df-3 12357 |
This theorem is referenced by: halfpm6th 12514 ige3m2fz 13608 fzo13pr 13800 fzo0to3tp 13802 fldiv4p1lem1div2 13886 lsws3 14954 bpoly3 16106 rpnnen2lem3 16264 rpnnen2lem11 16272 3prm 16741 prmo3 17088 1cubrlem 26902 1cubr 26903 quart1 26917 log2cnv 27005 log2ublem3 27009 2lgslem3b 27459 2lgslem3d 27461 axlowdimlem16 28990 2pthd 29973 wlk2v2e 30189 ex-bc 30484 cyc3fv1 33130 cyc3fv2 33131 cyc3fv3 33132 fib4 34369 circlemethhgt 34620 cusgracyclt3v 35124 itg2addnclem3 37633 lcm3un 41972 aks4d1p1 42033 2np3bcnp1 42101 lhe4.4ex1a 44298 wallispilem4 45989 fmtnoge3 47404 fmtnoprmfac2lem1 47440 nnsum3primesle9 47668 grtriclwlk3 47796 |
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