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| Mirrors > Home > MPE Home > Th. List > 1pneg1e0 | Structured version Visualization version GIF version | ||
| Description: 1 + -1 is 0. (Contributed by David A. Wheeler, 8-Dec-2018.) |
| Ref | Expression |
|---|---|
| 1pneg1e0 | ⊢ (1 + -1) = 0 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ax-1cn 11067 | . 2 ⊢ 1 ∈ ℂ | |
| 2 | 1 | negidi 11433 | 1 ⊢ (1 + -1) = 0 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1540 (class class class)co 7349 0cc0 11009 1c1 11010 + caddc 11012 -cneg 11348 |
| 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 5235 ax-nul 5245 ax-pow 5304 ax-pr 5371 ax-un 7671 ax-resscn 11066 ax-1cn 11067 ax-icn 11068 ax-addcl 11069 ax-addrcl 11070 ax-mulcl 11071 ax-mulrcl 11072 ax-mulcom 11073 ax-addass 11074 ax-mulass 11075 ax-distr 11076 ax-i2m1 11077 ax-1ne0 11078 ax-1rid 11079 ax-rnegex 11080 ax-rrecex 11081 ax-cnre 11082 ax-pre-lttri 11083 ax-pre-lttrn 11084 ax-pre-ltadd 11085 |
| 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 3344 df-rab 3395 df-v 3438 df-sbc 3743 df-csb 3852 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-nul 4285 df-if 4477 df-pw 4553 df-sn 4578 df-pr 4580 df-op 4584 df-uni 4859 df-br 5093 df-opab 5155 df-mpt 5174 df-id 5514 df-po 5527 df-so 5528 df-xp 5625 df-rel 5626 df-cnv 5627 df-co 5628 df-dm 5629 df-rn 5630 df-res 5631 df-ima 5632 df-iota 6438 df-fun 6484 df-fn 6485 df-f 6486 df-f1 6487 df-fo 6488 df-f1o 6489 df-fv 6490 df-riota 7306 df-ov 7352 df-oprab 7353 df-mpo 7354 df-er 8625 df-en 8873 df-dom 8874 df-sdom 8875 df-pnf 11151 df-mnf 11152 df-ltxr 11154 df-sub 11349 df-neg 11350 |
| This theorem is referenced by: xov1plusxeqvd 13401 bernneq 14136 n2dvdsm1 16280 bitsfzo 16346 plydivlem1 26199 iaa 26231 dvradcnv 26328 eulerid 26381 musum 27099 ppiub 27113 lgsdir2lem3 27236 m1lgs 27297 axlowdimlem13 28903 vcm 30524 nvge0 30621 hvsubid 30974 1nei 32689 subfacval2 35180 dvradcnv2 44340 binomcxplemdvbinom 44346 binomcxplemnotnn0 44349 dirkertrigeqlem1 46099 fourierdlem24 46132 fourierswlem 46231 |
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