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| Mirrors > Home > MPE Home > Th. List > subeq0bd | Structured version Visualization version GIF version | ||
| Description: If two complex numbers are equal, their difference is zero. Consequence of subeq0ad 11684. Converse of subeq0d 11685. Contrapositive of subne0ad 11687. (Contributed by David Moews, 28-Feb-2017.) |
| Ref | Expression |
|---|---|
| subeq0bd.1 | ⊢ (𝜑 → 𝐴 ∈ ℂ) |
| subeq0bd.2 | ⊢ (𝜑 → 𝐴 = 𝐵) |
| Ref | Expression |
|---|---|
| subeq0bd | ⊢ (𝜑 → (𝐴 − 𝐵) = 0) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | subeq0bd.2 | . 2 ⊢ (𝜑 → 𝐴 = 𝐵) | |
| 2 | subeq0bd.1 | . . 3 ⊢ (𝜑 → 𝐴 ∈ ℂ) | |
| 3 | 1, 2 | eqeltrrd 2861 | . . 3 ⊢ (𝜑 → 𝐵 ∈ ℂ) |
| 4 | 2, 3 | subeq0ad 11684 | . 2 ⊢ (𝜑 → ((𝐴 − 𝐵) = 0 ↔ 𝐴 = 𝐵)) |
| 5 | 1, 4 | mpbird 260 | 1 ⊢ (𝜑 → (𝐴 − 𝐵) = 0) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1569 ∈ wcel 2144 (class class class)co 7424 ℂcc 11205 0cc0 11207 − cmin 11548 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-sep 5248 ax-nul 5259 ax-pow 5327 ax-pr 5391 ax-un 7755 ax-resscn 11264 ax-1cn 11265 ax-icn 11266 ax-addcl 11267 ax-addrcl 11268 ax-mulcl 11269 ax-mulrcl 11270 ax-mulcom 11271 ax-addass 11272 ax-mulass 11273 ax-distr 11274 ax-i2m1 11275 ax-1ne0 11276 ax-1rid 11277 ax-rnegex 11278 ax-rrecex 11279 ax-cnre 11280 ax-pre-lttri 11281 ax-pre-lttrn 11282 ax-pre-ltadd 11283 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3848 df-ss 3897 df-dif 4046 df-in 4090 df-un 4150 df-nul 4278 df-if 4482 df-pw 4558 df-sn 4585 df-pr 4587 df-op 4835 df-uni 4867 df-br 5103 df-opab 5167 df-mpt 5186 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 6497 df-fun 6545 df-fn 6546 df-f 6547 df-f1 6548 df-fo 6549 df-f1o 6550 df-fv 6551 df-riota 7381 df-ov 7427 df-oprab 7428 df-mpo 7429 df-er 8725 df-en 8982 df-dom 8983 df-sdom 8984 df-pnf 11352 df-mnf 11353 df-ltxr 11355 df-sub 11550 |
| This theorem is used by: sylow1lem1 19821 rrxmvallem 25734 rrxmetlem 25737 dv11cn 26330 coeeulem 26552 plyexmo 26645 chordthmlem3 27171 atantayl2 27275 2sqmod 27772 addsq2nreurex 27780 axcontlem2 29552 ipasslem8 31448 ccatws1f1o 33564 constrrtlc1 34414 constrrtlc2 34415 constrrtcc 34417 bj-subcom 38366 int-addsimpd 45312 bcc0 45461 dvbdfbdioolem2 47075 volioc 47118 etransclem14 47394 etransclem35 47415 ovolval2lem 47789 sharhght 48011 itschlc0yqe 50008 |
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