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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 11161 | . 2 ⊢ 1 ∈ ℂ | |
| 2 | 1 | negidi 11530 | 1 ⊢ (1 + -1) = 0 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1568 (class class class)co 7414 0cc0 11103 1c1 11104 + caddc 11106 -cneg 11445 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1823 ax-4 1837 ax-5 1938 ax-6 1995 ax-7 2036 ax-8 2152 ax-9 2160 ax-10 2183 ax-11 2199 ax-12 2220 ax-ext 2742 ax-sep 5262 ax-nul 5274 ax-pow 5340 ax-pr 5408 ax-un 7736 ax-resscn 11160 ax-1cn 11161 ax-icn 11162 ax-addcl 11163 ax-addrcl 11164 ax-mulcl 11165 ax-mulrcl 11166 ax-mulcom 11167 ax-addass 11168 ax-mulass 11169 ax-distr 11170 ax-i2m1 11171 ax-1ne0 11172 ax-1rid 11173 ax-rnegex 11174 ax-rrecex 11175 ax-cnre 11176 ax-pre-lttri 11177 ax-pre-lttrn 11178 ax-pre-ltadd 11179 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1571 df-fal 1581 df-ex 1808 df-nf 1812 df-sb 2099 df-mo 2574 df-eu 2604 df-clab 2749 df-cleq 2762 df-clel 2845 df-nfc 2919 df-ne 2966 df-nel 3072 df-ral 3087 df-rex 3097 df-reu 3377 df-rab 3424 df-v 3464 df-sbc 3753 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 4878 df-br 5115 df-opab 5179 df-mpt 5198 df-id 5560 df-po 5573 df-so 5574 df-xp 5671 df-rel 5672 df-cnv 5673 df-co 5674 df-dm 5675 df-rn 5676 df-res 5677 df-ima 5678 df-iota 6496 df-fun 6542 df-fn 6543 df-f 6544 df-f1 6545 df-fo 6546 df-f1o 6547 df-fv 6548 df-riota 7371 df-ov 7417 df-oprab 7418 df-mpo 7419 df-er 8697 df-en 8947 df-dom 8948 df-sdom 8949 df-pnf 11248 df-mnf 11249 df-ltxr 11251 df-sub 11446 df-neg 11447 |
| This theorem is referenced by: xov1plusxeqvd 13528 bernneq 14268 n2dvdsm1 16430 bitsfzo 16496 plydivlem1 26437 iaa 26469 dvradcnv 26564 eulerid 26619 musum 27335 ppiub 27348 lgsdir2lem3 27471 m1lgs 27532 axlowdimlem13 29274 vcm 30898 nvge0 30995 hvsubid 31348 1nei 33052 subfacval2 35637 dvradcnv2 45009 binomcxplemdvbinom 45015 binomcxplemnotnn0 45018 dirkertrigeqlem1 46764 fourierdlem24 46797 fourierswlem 46896 |
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