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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 11596. Converse of subeq0d 11594. Contrapositive of subne0ad 11597. (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 2866 | . . 3 ⊢ (𝜑 → 𝐵 ∈ ℂ) |
| 4 | 2, 3 | subeq0ad 11596 | . 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 1570 ∈ wcel 2146 (class class class)co 7419 ℂcc 11115 0cc0 11117 − cmin 11458 |
| 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 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2737 ax-sep 5259 ax-nul 5271 ax-pow 5338 ax-pr 5406 ax-un 7742 ax-resscn 11174 ax-1cn 11175 ax-icn 11176 ax-addcl 11177 ax-addrcl 11178 ax-mulcl 11179 ax-mulrcl 11180 ax-mulcom 11181 ax-addass 11182 ax-mulass 11183 ax-distr 11184 ax-i2m1 11185 ax-1ne0 11186 ax-1rid 11187 ax-rnegex 11188 ax-rrecex 11189 ax-cnre 11190 ax-pre-lttri 11191 ax-pre-lttrn 11192 ax-pre-ltadd 11193 |
| 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 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-nel 3067 df-ral 3082 df-rex 3092 df-reu 3372 df-rab 3419 df-v 3459 df-sbc 3747 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-nul 4287 df-if 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4875 df-br 5112 df-opab 5176 df-mpt 5195 df-id 5558 df-po 5571 df-so 5572 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-res 5675 df-ima 5676 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 7376 df-ov 7422 df-oprab 7423 df-mpo 7424 df-er 8700 df-en 8950 df-dom 8951 df-sdom 8952 df-pnf 11262 df-mnf 11263 df-ltxr 11265 df-sub 11460 |
| This theorem is used by: sylow1lem1 19714 rrxmvallem 25616 rrxmetlem 25619 dv11cn 26213 coeeulem 26434 plyexmo 26527 chordthmlem3 27052 atantayl2 27156 2sqmod 27653 addsq2nreurex 27661 axcontlem2 29372 ipasslem8 31262 ccatws1f1o 33339 constrrtlc1 34188 constrrtlc2 34189 constrrtcc 34191 bj-subcom 38011 int-addsimpd 44961 bcc0 45110 dvbdfbdioolem2 46703 volioc 46746 etransclem14 47022 etransclem35 47043 ovolval2lem 47417 sharhght 47639 itschlc0yqe 49599 |
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