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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 12411 | . 2 ⊢ 2 ∈ ℂ | |
| 2 | ax-1cn 11251 | . 2 ⊢ 1 ∈ ℂ | |
| 3 | df-3 12399 | . 2 ⊢ 3 = (2 + 1) | |
| 4 | 1, 2, 3 | mvrraddi 11567 | 1 ⊢ (3 − 1) = 2 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 (class class class)co 7418 1c1 11194 − cmin 11534 2c2 12390 3c3 12391 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2733 ax-sep 5249 ax-nul 5260 ax-pow 5327 ax-pr 5391 ax-un 7749 ax-resscn 11250 ax-1cn 11251 ax-icn 11252 ax-addcl 11253 ax-addrcl 11254 ax-mulcl 11255 ax-mulrcl 11256 ax-mulcom 11257 ax-addass 11258 ax-mulass 11259 ax-distr 11260 ax-i2m1 11261 ax-1ne0 11262 ax-1rid 11263 ax-rnegex 11264 ax-rrecex 11265 ax-cnre 11266 ax-pre-lttri 11267 ax-pre-lttrn 11268 ax-pre-ltadd 11269 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-nel 3063 df-ral 3078 df-rex 3088 df-reu 3367 df-rab 3414 df-v 3453 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-br 5104 df-opab 5168 df-mpt 5187 df-id 5546 df-po 5559 df-so 5560 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 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 7375 df-ov 7421 df-oprab 7422 df-mpo 7423 df-er 8710 df-en 8967 df-dom 8968 df-sdom 8969 df-pnf 11338 df-mnf 11339 df-ltxr 11341 df-sub 11536 df-2 12398 df-3 12399 |
| This theorem is used by: ige3m2fz 13675 fzo13pr 13877 fzo0to3tp 13880 fldiv4p1lem1div2 13968 lsws3 15049 bpoly3 16217 rpnnen2lem3 16377 rpnnen2lem11 16385 3prm 16862 prmo3 17212 1cubrlem 27162 1cubr 27163 quart1 27177 log2cnv 27265 log2ublem3 27269 basellem8 27408 2lgslem3b 27717 2lgslem3d 27719 fltoprmlem2 27987 axlowdimlem16 29528 2pthd 30522 wlk2v2e 30751 ex-bc 31046 cyc3fv1 33691 cyc3fv2 33692 cyc3fv3 33693 iconstr 34391 cos9thpiminplylem2 34408 cos9thpiminplylem3 34409 fib4 35029 circlemethhgt 35265 cusgracyclt3v 35900 itg2addnclem3 38571 lcm3un 43045 aks4d1p1 43106 2np3bcnp1 43174 sin2t3rdpi 43384 cos2t3rdpi 43385 lhe4.4ex1a 45298 wallispilem4 47047 fmtnoge3 48584 fmtnoprmfac2lem1 48620 nnsum3primesle9 48861 grtriclwlk3 49012 gpg3kgrtriexlem5 49154 |
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