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Mirrors > Home > HSE Home > Th. List > df-h0v | Structured version Visualization version GIF version |
Description: Define the zero vector of Hilbert space. Note that 0vec is considered a primitive in the Hilbert space axioms below, and we don't use this definition outside of this section. It is proved from the axioms as theorem hh0v 28947. (Contributed by NM, 31-May-2008.) (New usage is discouraged.) |
Ref | Expression |
---|---|
df-h0v | ⊢ 0ℎ = (0vec‘〈〈 +ℎ , ·ℎ 〉, normℎ〉) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | c0v 28703 | . 2 class 0ℎ | |
2 | cva 28699 | . . . . 5 class +ℎ | |
3 | csm 28700 | . . . . 5 class ·ℎ | |
4 | 2, 3 | cop 4575 | . . . 4 class 〈 +ℎ , ·ℎ 〉 |
5 | cno 28702 | . . . 4 class normℎ | |
6 | 4, 5 | cop 4575 | . . 3 class 〈〈 +ℎ , ·ℎ 〉, normℎ〉 |
7 | cn0v 28367 | . . 3 class 0vec | |
8 | 6, 7 | cfv 6357 | . 2 class (0vec‘〈〈 +ℎ , ·ℎ 〉, normℎ〉) |
9 | 1, 8 | wceq 1537 | 1 wff 0ℎ = (0vec‘〈〈 +ℎ , ·ℎ 〉, normℎ〉) |
Colors of variables: wff setvar class |
This definition is referenced by: axhv0cl-zf 28764 axhvaddid-zf 28765 axhvmul0-zf 28771 axhis4-zf 28776 |
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