| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > addneintrd | Structured version Visualization version GIF version | ||
| Description: Introducing a term on the left-hand side of a sum in a negated equality. Contrapositive of addcanad 11554. Consequence of addcand 11552. (Contributed by David Moews, 28-Feb-2017.) |
| Ref | Expression |
|---|---|
| muld.1 | ⊢ (𝜑 → 𝐴 ∈ ℂ) |
| addcomd.2 | ⊢ (𝜑 → 𝐵 ∈ ℂ) |
| addcand.3 | ⊢ (𝜑 → 𝐶 ∈ ℂ) |
| addneintrd.4 | ⊢ (𝜑 → 𝐵 ≠ 𝐶) |
| Ref | Expression |
|---|---|
| addneintrd | ⊢ (𝜑 → (𝐴 + 𝐵) ≠ (𝐴 + 𝐶)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | addneintrd.4 | . 2 ⊢ (𝜑 → 𝐵 ≠ 𝐶) | |
| 2 | muld.1 | . . . 4 ⊢ (𝜑 → 𝐴 ∈ ℂ) | |
| 3 | addcomd.2 | . . . 4 ⊢ (𝜑 → 𝐵 ∈ ℂ) | |
| 4 | addcand.3 | . . . 4 ⊢ (𝜑 → 𝐶 ∈ ℂ) | |
| 5 | 2, 3, 4 | addcand 11552 | . . 3 ⊢ (𝜑 → ((𝐴 + 𝐵) = (𝐴 + 𝐶) ↔ 𝐵 = 𝐶)) |
| 6 | 5 | necon3bid 3003 | . 2 ⊢ (𝜑 → ((𝐴 + 𝐵) ≠ (𝐴 + 𝐶) ↔ 𝐵 ≠ 𝐶)) |
| 7 | 1, 6 | mpbird 260 | 1 ⊢ (𝜑 → (𝐴 + 𝐵) ≠ (𝐴 + 𝐶)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2147 ≠ wne 2959 (class class class)co 7451 ℂcc 11237 + caddc 11242 |
| 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-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-ov 7454 df-er 8755 df-en 9012 df-dom 9013 df-sdom 9014 df-pnf 11384 df-mnf 11385 df-ltxr 11387 |
| This theorem is used by: xov1plusxeqvd 13669 chordthmlem 27217 aks6d1c2p2 43435 fourierdlem53 47442 |
| Copyright terms: Public domain | W3C validator |