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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 11623. Generalization of subeq0d 11717. (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 11623 | . 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 2147 (class class class)co 7451 ℂcc 11237 0cc0 11239 − cmin 11580 |
| 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 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-sep 5255 ax-nul 5266 ax-pow 5334 ax-pr 5398 ax-un 7783 ax-resscn 11296 ax-1cn 11297 ax-icn 11298 ax-addcl 11299 ax-addrcl 11300 ax-mulcl 11301 ax-mulrcl 11302 ax-mulcom 11303 ax-addass 11304 ax-mulass 11305 ax-distr 11306 ax-i2m1 11307 ax-1ne0 11308 ax-1rid 11309 ax-rnegex 11310 ax-rrecex 11311 ax-cnre 11312 ax-pre-lttri 11313 ax-pre-lttrn 11314 ax-pre-ltadd 11315 |
| 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 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-nel 3066 df-ral 3081 df-rex 3091 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-op 4841 df-uni 4873 df-br 5109 df-opab 5174 df-mpt 5193 df-id 5553 df-po 5566 df-so 5567 df-xp 5664 df-rel 5665 df-cnv 5666 df-co 5667 df-dm 5668 df-rn 5669 df-res 5670 df-ima 5671 df-iota 6520 df-fun 6568 df-fn 6569 df-f 6570 df-f1 6571 df-fo 6572 df-f1o 6573 df-fv 6574 df-riota 7408 df-ov 7454 df-oprab 7455 df-mpo 7456 df-er 8755 df-en 9012 df-dom 9013 df-sdom 9014 df-pnf 11384 df-mnf 11385 df-ltxr 11387 df-sub 11582 |
| This theorem is used by: subeq0d 11717 subne0d 11718 subne0ad 11719 subeq0bd 11781 muleqadd 12000 mulcan1g 12009 ofsubeq0 12357 nn0n0n1ge2 12714 mod0 14056 modirr 14125 addmodlteq 14129 sqreulem 15571 sqreu 15572 tanaddlem 16378 fldivp1 17119 4sqlem11 17177 4sqlem16 17182 znf1o 21912 cphsqrtcl2 25562 rrxmet 25784 dvcobr 26321 dvcnvlem 26351 cmvth 26366 dvlip 26368 lhop1lem 26388 ftc1lem5 26415 rnplynfin 26685 aalioulem2 26717 sineq0 26909 tanarg 27004 affineequiv 27208 quad2 27224 dcubic 27231 eqeelen 29539 colinearalg 29545 axcontlem7 29605 ipasslem9 31497 ip2eqi 31515 hi2eq 31764 lnopeqi 32667 riesz3i 32721 2sqr3minply 34523 signslema 35302 circlemeth 35380 poimirlem32 38838 broucube 38840 rrnmet 39029 quadfac 43521 eqrabdioph 44054 pellexlem1 44102 sineq0ALT 46179 digexp 50050 eenglngeehlnmlem2 50182 2itscp 50224 |
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