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Mirrors > Home > MPE Home > Th. List > 2m1e1 | Structured version Visualization version GIF version |
Description: 2 - 1 = 1. The result is on the right-hand-side to be consistent with similar proofs like 4p4e8 11786. (Contributed by David A. Wheeler, 4-Jan-2017.) |
Ref | Expression |
---|---|
2m1e1 | ⊢ (2 − 1) = 1 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 2cn 11706 | . 2 ⊢ 2 ∈ ℂ | |
2 | ax-1cn 10589 | . 2 ⊢ 1 ∈ ℂ | |
3 | 1p1e2 11756 | . 2 ⊢ (1 + 1) = 2 | |
4 | 1, 2, 2, 3 | subaddrii 10969 | 1 ⊢ (2 − 1) = 1 |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1533 (class class class)co 7150 1c1 10532 − cmin 10864 2c2 11686 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1907 ax-6 1966 ax-7 2011 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2157 ax-12 2173 ax-ext 2793 ax-sep 5195 ax-nul 5202 ax-pow 5258 ax-pr 5321 ax-un 7455 ax-resscn 10588 ax-1cn 10589 ax-icn 10590 ax-addcl 10591 ax-addrcl 10592 ax-mulcl 10593 ax-mulrcl 10594 ax-mulcom 10595 ax-addass 10596 ax-mulass 10597 ax-distr 10598 ax-i2m1 10599 ax-1ne0 10600 ax-1rid 10601 ax-rnegex 10602 ax-rrecex 10603 ax-cnre 10604 ax-pre-lttri 10605 ax-pre-lttrn 10606 ax-pre-ltadd 10607 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1536 df-ex 1777 df-nf 1781 df-sb 2066 df-mo 2618 df-eu 2650 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ne 3017 df-nel 3124 df-ral 3143 df-rex 3144 df-reu 3145 df-rab 3147 df-v 3496 df-sbc 3772 df-csb 3883 df-dif 3938 df-un 3940 df-in 3942 df-ss 3951 df-nul 4291 df-if 4467 df-pw 4540 df-sn 4561 df-pr 4563 df-op 4567 df-uni 4832 df-br 5059 df-opab 5121 df-mpt 5139 df-id 5454 df-po 5468 df-so 5469 df-xp 5555 df-rel 5556 df-cnv 5557 df-co 5558 df-dm 5559 df-rn 5560 df-res 5561 df-ima 5562 df-iota 6308 df-fun 6351 df-fn 6352 df-f 6353 df-f1 6354 df-fo 6355 df-f1o 6356 df-fv 6357 df-riota 7108 df-ov 7153 df-oprab 7154 df-mpo 7155 df-er 8283 df-en 8504 df-dom 8505 df-sdom 8506 df-pnf 10671 df-mnf 10672 df-ltxr 10674 df-sub 10866 df-2 11694 |
This theorem is referenced by: 1e2m1 11758 1mhlfehlf 11850 subhalfhalf 11865 addltmul 11867 xp1d2m1eqxm1d2 11885 nn0lt2 12039 nn0le2is012 12040 zeo 12062 fzo0to2pr 13116 fzosplitprm1 13141 bcn2 13673 lsws2 14260 swrds2m 14297 wrdl2exs2 14302 swrd2lsw 14308 geo2sum2 15224 bpolydiflem 15402 bpoly2 15405 fsumcube 15408 ege2le3 15437 cos2tsin 15526 odd2np1 15684 oddp1even 15687 oddge22np1 15692 prmdiv 16116 vfermltlALT 16133 prmo2 16370 htpycc 23578 pco1 23613 pcohtpylem 23617 pcopt 23620 pcorevlem 23624 cos2pi 25056 atans2 25503 log2ublem3 25520 ppiprm 25722 ppinprm 25723 chtprm 25724 chtnprm 25725 chtublem 25781 chtub 25782 lgslem4 25870 gausslemma2dlem1a 25935 lgseisenlem1 25945 2lgslem3c 25968 2sq2 26003 rplogsumlem1 26054 logdivsum 26103 log2sumbnd 26114 axlowdim 26741 wwlksnextwrd 27669 rusgrnumwwlkl1 27741 clwlkclwwlklem2a1 27764 clwlkclwwlklem2a4 27769 clwlkclwwlklem2 27772 clwlkclwwlklem3 27773 clwwlkn2 27816 clwwlkext2edg 27829 numclwlk2lem2f 28150 frgrregord013 28168 ex-fl 28220 xnn01gt 30489 wrdt2ind 30622 cshw1s2 30629 cyc2fv1 30758 cyc2fv2 30759 archirngz 30813 eulerpartlemd 31619 fibp1 31654 fib3 31656 ballotlem2 31741 subfacp1lem5 32426 dnibndlem10 33821 dvasin 34972 areacirclem1 34976 trclfvdecomr 40066 hashnzfz2 40646 lhe4.4ex1a 40654 infleinflem2 41632 sumnnodd 41904 stoweidlem26 42305 wallispilem4 42347 wallispi2lem1 42350 wallispi2lem2 42351 fouriersw 42510 fmtnorec2lem 43698 fmtnorec3 43704 fmtnorec4 43705 m5prm 43755 sfprmdvdsmersenne 43762 lighneallem3 43766 3exp4mod41 43775 2nodd 44073 nnolog2flm1 44644 |
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