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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 | chba 28690 | . . . 4 class ℋ | |
3 | 1, 2 | wcel 2110 | . . 3 wff 𝐴 ∈ ℋ |
4 | cB | . . . 4 class 𝐵 | |
5 | 4, 2 | wcel 2110 | . . 3 wff 𝐵 ∈ ℋ |
6 | 3, 5 | wa 398 | . 2 wff (𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ) |
7 | cva 28691 | . . . 4 class +ℎ | |
8 | 1, 4, 7 | co 7150 | . . 3 class (𝐴 +ℎ 𝐵) |
9 | 4, 1, 7 | co 7150 | . . 3 class (𝐵 +ℎ 𝐴) |
10 | 8, 9 | wceq 1533 | . 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 28790 hvaddid2 28794 hvadd32 28805 hvadd12 28806 hvpncan2 28811 hvsub32 28816 hvaddcan2 28842 hilablo 28931 hhssabloi 29033 shscom 29090 pjhtheu2 29187 pjpjpre 29190 pjpo 29199 spanunsni 29350 chscllem4 29411 hoaddcomi 29543 pjimai 29947 superpos 30125 sumdmdii 30186 cdj3lem3 30209 cdj3lem3b 30211 |
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