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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 11509. Generalization of subeq0d 11602. (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 11509 | . 2 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ) → ((𝐴 − 𝐵) = 0 ↔ 𝐴 = 𝐵)) | |
| 4 | 1, 2, 3 | syl2anc 584 | 1 ⊢ (𝜑 → ((𝐴 − 𝐵) = 0 ↔ 𝐴 = 𝐵)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 206 = wceq 1540 ∈ wcel 2108 (class class class)co 7405 ℂcc 11127 0cc0 11129 − cmin 11466 |
| 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 2007 ax-8 2110 ax-9 2118 ax-10 2141 ax-11 2157 ax-12 2177 ax-ext 2707 ax-sep 5266 ax-nul 5276 ax-pow 5335 ax-pr 5402 ax-un 7729 ax-resscn 11186 ax-1cn 11187 ax-icn 11188 ax-addcl 11189 ax-addrcl 11190 ax-mulcl 11191 ax-mulrcl 11192 ax-mulcom 11193 ax-addass 11194 ax-mulass 11195 ax-distr 11196 ax-i2m1 11197 ax-1ne0 11198 ax-1rid 11199 ax-rnegex 11200 ax-rrecex 11201 ax-cnre 11202 ax-pre-lttri 11203 ax-pre-lttrn 11204 ax-pre-ltadd 11205 |
| 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 2065 df-mo 2539 df-eu 2568 df-clab 2714 df-cleq 2727 df-clel 2809 df-nfc 2885 df-ne 2933 df-nel 3037 df-ral 3052 df-rex 3061 df-reu 3360 df-rab 3416 df-v 3461 df-sbc 3766 df-csb 3875 df-dif 3929 df-un 3931 df-in 3933 df-ss 3943 df-nul 4309 df-if 4501 df-pw 4577 df-sn 4602 df-pr 4604 df-op 4608 df-uni 4884 df-br 5120 df-opab 5182 df-mpt 5202 df-id 5548 df-po 5561 df-so 5562 df-xp 5660 df-rel 5661 df-cnv 5662 df-co 5663 df-dm 5664 df-rn 5665 df-res 5666 df-ima 5667 df-iota 6484 df-fun 6533 df-fn 6534 df-f 6535 df-f1 6536 df-fo 6537 df-f1o 6538 df-fv 6539 df-riota 7362 df-ov 7408 df-oprab 7409 df-mpo 7410 df-er 8719 df-en 8960 df-dom 8961 df-sdom 8962 df-pnf 11271 df-mnf 11272 df-ltxr 11274 df-sub 11468 |
| This theorem is referenced by: subne0ad 11605 subeq0bd 11663 muleqadd 11881 mulcan1g 11890 ofsubeq0 12237 nn0n0n1ge2 12569 mod0 13893 modirr 13960 addmodlteq 13964 sqreulem 15378 sqreu 15379 tanaddlem 16184 fldivp1 16917 4sqlem11 16975 4sqlem16 16980 znf1o 21512 cphsqrtcl2 25138 rrxmet 25360 dvcobr 25901 dvcobrOLD 25902 dvcnvlem 25932 cmvth 25947 cmvthOLD 25948 dvlip 25950 lhop1lem 25970 ftc1lem5 25999 aalioulem2 26293 sineq0 26485 tanarg 26580 affineequiv 26785 quad2 26801 dcubic 26808 eqeelen 28883 colinearalg 28889 axcontlem7 28949 ipasslem9 30819 ip2eqi 30837 hi2eq 31086 lnopeqi 31989 riesz3i 32043 2sqr3minply 33814 signslema 34594 circlemeth 34672 poimirlem32 37676 broucube 37678 rrnmet 37853 eqrabdioph 42800 pellexlem1 42852 sineq0ALT 44961 digexp 48587 eenglngeehlnmlem2 48718 2itscp 48761 |
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