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Mirrors > Home > HSE Home > Th. List > ax-hvcom | Structured version Visualization version GIF version |
Description: Vector addition is commutative. (Contributed by NM, 3-Sep-1999.) (New usage is discouraged.) |
Ref | Expression |
---|---|
ax-hvcom | ⊢ ((𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ) → (𝐴 +ℎ 𝐵) = (𝐵 +ℎ 𝐴)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cA | . . . 4 class 𝐴 | |
2 | chil 27160 | . . . 4 class ℋ | |
3 | 1, 2 | wcel 1977 | . . 3 wff 𝐴 ∈ ℋ |
4 | cB | . . . 4 class 𝐵 | |
5 | 4, 2 | wcel 1977 | . . 3 wff 𝐵 ∈ ℋ |
6 | 3, 5 | wa 383 | . 2 wff (𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ) |
7 | cva 27161 | . . . 4 class +ℎ | |
8 | 1, 4, 7 | co 6549 | . . 3 class (𝐴 +ℎ 𝐵) |
9 | 4, 1, 7 | co 6549 | . . 3 class (𝐵 +ℎ 𝐴) |
10 | 8, 9 | wceq 1475 | . 2 wff (𝐴 +ℎ 𝐵) = (𝐵 +ℎ 𝐴) |
11 | 6, 10 | wi 4 | 1 wff ((𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ) → (𝐴 +ℎ 𝐵) = (𝐵 +ℎ 𝐴)) |
Colors of variables: wff setvar class |
This axiom is referenced by: hvcomi 27260 hvaddid2 27264 hvadd32 27275 hvadd12 27276 hvpncan2 27281 hvsub32 27286 hvaddcan2 27312 hilablo 27401 hhssabloi 27503 shscom 27562 pjhtheu2 27659 pjpjpre 27662 pjpo 27671 spanunsni 27822 chscllem4 27883 hoaddcomi 28015 pjimai 28419 superpos 28597 sumdmdii 28658 cdj3lem3 28681 cdj3lem3b 28683 |
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