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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 12315 | . 2 ⊢ 2 ∈ ℂ | |
| 2 | ax-1cn 11157 | . 2 ⊢ 1 ∈ ℂ | |
| 3 | df-3 12303 | . 2 ⊢ 3 = (2 + 1) | |
| 4 | 1, 2, 3 | mvrraddi 11473 | 1 ⊢ (3 − 1) = 2 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1567 (class class class)co 7411 1c1 11100 − cmin 11440 2c2 12294 3c3 12295 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-10 2182 ax-11 2198 ax-12 2219 ax-ext 2741 ax-sep 5261 ax-nul 5271 ax-pow 5337 ax-pr 5405 ax-un 7733 ax-resscn 11156 ax-1cn 11157 ax-icn 11158 ax-addcl 11159 ax-addrcl 11160 ax-mulcl 11161 ax-mulrcl 11162 ax-mulcom 11163 ax-addass 11164 ax-mulass 11165 ax-distr 11166 ax-i2m1 11167 ax-1ne0 11168 ax-1rid 11169 ax-rnegex 11170 ax-rrecex 11171 ax-cnre 11172 ax-pre-lttri 11173 ax-pre-lttrn 11174 ax-pre-ltadd 11175 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-nf 1811 df-sb 2098 df-mo 2573 df-eu 2603 df-clab 2748 df-cleq 2761 df-clel 2844 df-nfc 2918 df-ne 2965 df-nel 3071 df-ral 3086 df-rex 3096 df-reu 3377 df-rab 3424 df-v 3465 df-sbc 3754 df-csb 3862 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-nul 4295 df-if 4493 df-pw 4569 df-sn 4595 df-pr 4597 df-op 4601 df-uni 4877 df-br 5114 df-opab 5178 df-mpt 5197 df-id 5557 df-po 5570 df-so 5571 df-xp 5668 df-rel 5669 df-cnv 5670 df-co 5671 df-dm 5672 df-rn 5673 df-res 5674 df-ima 5675 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-riota 7368 df-ov 7414 df-oprab 7415 df-mpo 7416 df-er 8693 df-en 8943 df-dom 8944 df-sdom 8945 df-pnf 11244 df-mnf 11245 df-ltxr 11247 df-sub 11442 df-2 12302 df-3 12303 |
| This theorem is referenced by: ige3m2fz 13575 fzo13pr 13777 fzo0to3tp 13780 fldiv4p1lem1div2 13867 lsws3 14941 bpoly3 16111 rpnnen2lem3 16271 rpnnen2lem11 16279 3prm 16751 prmo3 17100 1cubrlem 26971 1cubr 26972 quart1 26986 log2cnv 27074 log2ublem3 27078 2lgslem3b 27526 2lgslem3d 27528 axlowdimlem16 29247 2pthd 30229 wlk2v2e 30448 ex-bc 30743 cyc3fv1 33397 cyc3fv2 33398 cyc3fv3 33399 iconstr 34100 cos9thpiminplylem2 34117 cos9thpiminplylem3 34118 fib4 34738 circlemethhgt 34974 cusgracyclt3v 35546 itg2addnclem3 38211 lcm3un 42671 aks4d1p1 42732 2np3bcnp1 42800 sin2t3rdpi 43003 cos2t3rdpi 43004 lhe4.4ex1a 44930 wallispilem4 46673 fmtnoge3 48170 fmtnoprmfac2lem1 48206 nnsum3primesle9 48447 grtriclwlk3 48598 gpg3kgrtriexlem5 48740 |
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