| Hilbert Space Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > HSE Home > Th. List > hvsubcan | Structured version Visualization version GIF version | ||
| Description: Cancellation law for vector addition. (Contributed by NM, 18-May-2005.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| hvsubcan | ⊢ ((𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ ∧ 𝐶 ∈ ℋ) → ((𝐴 −ℎ 𝐵) = (𝐴 −ℎ 𝐶) ↔ 𝐵 = 𝐶)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | hvsubval 31664 | . . . 4 ⊢ ((𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ) → (𝐴 −ℎ 𝐵) = (𝐴 +ℎ ( -1 ·ℎ 𝐵))) | |
| 2 | 1 | 3adant3 1150 | . . 3 ⊢ ((𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ ∧ 𝐶 ∈ ℋ) → (𝐴 −ℎ 𝐵) = (𝐴 +ℎ ( -1 ·ℎ 𝐵))) |
| 3 | hvsubval 31664 | . . . 4 ⊢ ((𝐴 ∈ ℋ ∧ 𝐶 ∈ ℋ) → (𝐴 −ℎ 𝐶) = (𝐴 +ℎ ( -1 ·ℎ 𝐶))) | |
| 4 | 3 | 3adant2 1149 | . . 3 ⊢ ((𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ ∧ 𝐶 ∈ ℋ) → (𝐴 −ℎ 𝐶) = (𝐴 +ℎ ( -1 ·ℎ 𝐶))) |
| 5 | 2, 4 | eqeq12d 2779 | . 2 ⊢ ((𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ ∧ 𝐶 ∈ ℋ) → ((𝐴 −ℎ 𝐵) = (𝐴 −ℎ 𝐶) ↔ (𝐴 +ℎ ( -1 ·ℎ 𝐵)) = (𝐴 +ℎ ( -1 ·ℎ 𝐶)))) |
| 6 | neg1cn 12343 | . . . 4 ⊢ -1 ∈ ℂ | |
| 7 | hvmulcl 31661 | . . . 4 ⊢ (( -1 ∈ ℂ ∧ 𝐵 ∈ ℋ) → ( -1 ·ℎ 𝐵) ∈ ℋ) | |
| 8 | 6, 7 | mpan 703 | . . 3 ⊢ (𝐵 ∈ ℋ → ( -1 ·ℎ 𝐵) ∈ ℋ) |
| 9 | hvmulcl 31661 | . . . . 5 ⊢ (( -1 ∈ ℂ ∧ 𝐶 ∈ ℋ) → ( -1 ·ℎ 𝐶) ∈ ℋ) | |
| 10 | 6, 9 | mpan 703 | . . . 4 ⊢ (𝐶 ∈ ℋ → ( -1 ·ℎ 𝐶) ∈ ℋ) |
| 11 | hvaddcan 31718 | . . . 4 ⊢ ((𝐴 ∈ ℋ ∧ ( -1 ·ℎ 𝐵) ∈ ℋ ∧ ( -1 ·ℎ 𝐶) ∈ ℋ) → ((𝐴 +ℎ ( -1 ·ℎ 𝐵)) = (𝐴 +ℎ ( -1 ·ℎ 𝐶)) ↔ ( -1 ·ℎ 𝐵) = ( -1 ·ℎ 𝐶))) | |
| 12 | 10, 11 | syl3an3 1183 | . . 3 ⊢ ((𝐴 ∈ ℋ ∧ ( -1 ·ℎ 𝐵) ∈ ℋ ∧ 𝐶 ∈ ℋ) → ((𝐴 +ℎ ( -1 ·ℎ 𝐵)) = (𝐴 +ℎ ( -1 ·ℎ 𝐶)) ↔ ( -1 ·ℎ 𝐵) = ( -1 ·ℎ 𝐶))) |
| 13 | 8, 12 | syl3an2 1182 | . 2 ⊢ ((𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ ∧ 𝐶 ∈ ℋ) → ((𝐴 +ℎ ( -1 ·ℎ 𝐵)) = (𝐴 +ℎ ( -1 ·ℎ 𝐶)) ↔ ( -1 ·ℎ 𝐵) = ( -1 ·ℎ 𝐶))) |
| 14 | neg1ne0 12345 | . . . . 5 ⊢ -1 ≠ 0 | |
| 15 | 6, 14 | pm3.2i 476 | . . . 4 ⊢ ( -1 ∈ ℂ ∧ -1 ≠ 0) |
| 16 | hvmulcan 31720 | . . . 4 ⊢ ((( -1 ∈ ℂ ∧ -1 ≠ 0) ∧ 𝐵 ∈ ℋ ∧ 𝐶 ∈ ℋ) → (( -1 ·ℎ 𝐵) = ( -1 ·ℎ 𝐶) ↔ 𝐵 = 𝐶)) | |
| 17 | 15, 16 | mp3an1 1478 | . . 3 ⊢ ((𝐵 ∈ ℋ ∧ 𝐶 ∈ ℋ) → (( -1 ·ℎ 𝐵) = ( -1 ·ℎ 𝐶) ↔ 𝐵 = 𝐶)) |
| 18 | 17 | 3adant1 1148 | . 2 ⊢ ((𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ ∧ 𝐶 ∈ ℋ) → (( -1 ·ℎ 𝐵) = ( -1 ·ℎ 𝐶) ↔ 𝐵 = 𝐶)) |
| 19 | 5, 13, 18 | 3bitrd 308 | 1 ⊢ ((𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ ∧ 𝐶 ∈ ℋ) → ((𝐴 −ℎ 𝐵) = (𝐴 −ℎ 𝐶) ↔ 𝐵 = 𝐶)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 209 ∧ wa 401 ∧ w3a 1103 = wceq 1570 ∈ wcel 2147 ≠ wne 2959 (class class class)co 7449 ℂcc 11235 0cc0 11237 1c1 11238 -cneg 11579 ℋchba 31567 +ℎ cva 31568 ·ℎ csm 31569 −ℎ cmv 31573 |
| 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 5253 ax-nul 5264 ax-pow 5332 ax-pr 5396 ax-un 7781 ax-resscn 11294 ax-1cn 11295 ax-icn 11296 ax-addcl 11297 ax-addrcl 11298 ax-mulcl 11299 ax-mulrcl 11300 ax-mulcom 11301 ax-addass 11302 ax-mulass 11303 ax-distr 11304 ax-i2m1 11305 ax-1ne0 11306 ax-1rid 11307 ax-rnegex 11308 ax-rrecex 11309 ax-cnre 11310 ax-pre-lttri 11311 ax-pre-lttrn 11312 ax-pre-ltadd 11313 ax-pre-mulgt0 11314 ax-hfvadd 31648 ax-hvcom 31649 ax-hvass 31650 ax-hv0cl 31651 ax-hvaddid 31652 ax-hfvmul 31653 ax-hvmulid 31654 ax-hvmulass 31655 ax-hvdistr1 31656 ax-hvdistr2 31657 ax-hvmul0 31658 |
| 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-rmo 3369 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 4839 df-uni 4871 df-iun 4956 df-br 5107 df-opab 5172 df-mpt 5191 df-id 5551 df-po 5564 df-so 5565 df-xp 5662 df-rel 5663 df-cnv 5664 df-co 5665 df-dm 5666 df-rn 5667 df-res 5668 df-ima 5669 df-iota 6518 df-fun 6566 df-fn 6567 df-f 6568 df-f1 6569 df-fo 6570 df-f1o 6571 df-fv 6572 df-riota 7406 df-ov 7452 df-oprab 7453 df-mpo 7454 df-er 8753 df-en 9010 df-dom 9011 df-sdom 9012 df-pnf 11382 df-mnf 11383 df-xr 11384 df-ltxr 11385 df-le 11386 df-sub 11580 df-neg 11581 df-div 12012 df-hvsub 31619 |
| This theorem is used by: hvsubcan2 31723 |
| Copyright terms: Public domain | W3C validator |