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| Mirrors > Home > MPE Home > Th. List > subeq0ad | Structured version Visualization version GIF version | ||
| Description: The difference of two complex numbers is zero iff they are equal. Deduction form of subeq0 11584. Generalization of subeq0d 11678. (Contributed by David Moews, 28-Feb-2017.) |
| Ref | Expression |
|---|---|
| negidd.1 | ⊢ (𝜑 → 𝐴 ∈ ℂ) |
| pncand.2 | ⊢ (𝜑 → 𝐵 ∈ ℂ) |
| Ref | Expression |
|---|---|
| subeq0ad | ⊢ (𝜑 → ((𝐴 − 𝐵) = 0 ↔ 𝐴 = 𝐵)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | negidd.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℂ) | |
| 2 | pncand.2 | . 2 ⊢ (𝜑 → 𝐵 ∈ ℂ) | |
| 3 | subeq0 11584 | . 2 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ) → ((𝐴 − 𝐵) = 0 ↔ 𝐴 = 𝐵)) | |
| 4 | 1, 2, 3 | syl2anc 596 | 1 ⊢ (𝜑 → ((𝐴 − 𝐵) = 0 ↔ 𝐴 = 𝐵)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 209 = wceq 1570 ∈ wcel 2145 (class class class)co 7420 ℂcc 11198 0cc0 11200 − cmin 11541 |
| 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 7751 ax-resscn 11257 ax-1cn 11258 ax-icn 11259 ax-addcl 11260 ax-addrcl 11261 ax-mulcl 11262 ax-mulrcl 11263 ax-mulcom 11264 ax-addass 11265 ax-mulass 11266 ax-distr 11267 ax-i2m1 11268 ax-1ne0 11269 ax-1rid 11270 ax-rnegex 11271 ax-rrecex 11272 ax-cnre 11273 ax-pre-lttri 11274 ax-pre-lttrn 11275 ax-pre-ltadd 11276 |
| 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 6494 df-fun 6540 df-fn 6541 df-f 6542 df-f1 6543 df-fo 6544 df-f1o 6545 df-fv 6546 df-riota 7377 df-ov 7423 df-oprab 7424 df-mpo 7425 df-er 8717 df-en 8974 df-dom 8975 df-sdom 8976 df-pnf 11345 df-mnf 11346 df-ltxr 11348 df-sub 11543 |
| This theorem is used by: subeq0d 11678 subne0d 11679 subne0ad 11680 subeq0bd 11742 muleqadd 11960 mulcan1g 11969 ofsubeq0 12317 nn0n0n1ge2 12674 mod0 14016 modirr 14085 addmodlteq 14089 sqreulem 15527 sqreu 15528 tanaddlem 16334 fldivp1 17075 4sqlem11 17133 4sqlem16 17138 znf1o 21857 cphsqrtcl2 25507 rrxmet 25729 dvcobr 26266 dvcnvlem 26296 cmvth 26311 dvlip 26313 lhop1lem 26333 ftc1lem5 26360 rnplynfin 26630 aalioulem2 26660 sineq0 26852 tanarg 26947 affineequiv 27151 quad2 27167 dcubic 27174 eqeelen 29482 colinearalg 29488 axcontlem7 29548 ipasslem9 31440 ip2eqi 31458 hi2eq 31707 lnopeqi 32610 riesz3i 32664 2sqr3minply 34412 signslema 35191 circlemeth 35269 poimirlem32 38570 broucube 38572 rrnmet 38763 quadfac 43255 eqrabdioph 43787 pellexlem1 43835 sineq0ALT 45918 digexp 49718 eenglngeehlnmlem2 49849 2itscp 49892 |
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