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Theorem axhvass-zf 31042

Description: Derive Axiom ax-hvass 31060 from Hilbert space under ZF set theory. (Contributed by NM, 31-May-2008.) (New usage is discouraged.)

**Hypotheses**
Ref	Expression
axhil.1	⊢ 𝑈 = ⟨⟨ +_ℎ , ·_ℎ ⟩, norm_ℎ⟩
axhil.2	⊢ 𝑈 ∈ CHil_OLD

**Assertion**
Ref	Expression
axhvass-zf	⊢ ((𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ ∧ 𝐶 ∈ ℋ) → ((𝐴 +_ℎ 𝐵) +_ℎ 𝐶) = (𝐴 +_ℎ (𝐵 +_ℎ 𝐶)))

**Proof of Theorem axhvass-zf**
Step	Hyp	Ref	Expression
1		axhil.2	. 2 ⊢ 𝑈 ∈ CHil_OLD
2		df-hba 31027	. . . 4 ⊢ ℋ = (BaseSet‘⟨⟨ +_ℎ , ·_ℎ ⟩, norm_ℎ⟩)
3		axhil.1	. . . . 5 ⊢ 𝑈 = ⟨⟨ +_ℎ , ·_ℎ ⟩, norm_ℎ⟩
4	3	fveq2i 6838	. . . 4 ⊢ (BaseSet‘𝑈) = (BaseSet‘⟨⟨ +_ℎ , ·_ℎ ⟩, norm_ℎ⟩)
5	2, 4	eqtr4i 2763	. . 3 ⊢ ℋ = (BaseSet‘𝑈)
6	1	hlnvi 30950	. . . 4 ⊢ 𝑈 ∈ NrmCVec
7	3, 6	h2hva 31032	. . 3 ⊢ +_ℎ = ( +_𝑣 ‘𝑈)
8	5, 7	hlass 30959	. 2 ⊢ ((𝑈 ∈ CHil_OLD ∧ (𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ ∧ 𝐶 ∈ ℋ)) → ((𝐴 +_ℎ 𝐵) +_ℎ 𝐶) = (𝐴 +_ℎ (𝐵 +_ℎ 𝐶)))
9	1, 8	mpan 691	1 ⊢ ((𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ ∧ 𝐶 ∈ ℋ) → ((𝐴 +_ℎ 𝐵) +_ℎ 𝐶) = (𝐴 +_ℎ (𝐵 +_ℎ 𝐶)))

Colors of variables: wff setvar class

Syntax hints: → wi 4 ∧ w3a 1087 = wceq 1542 ∈ wcel 2114 ⟨cop 4587 ‘cfv 6493 (class class class)co 7360 BaseSetcba 30644 CHil_OLDchlo 30943 ℋchba 30977 +_ℎ cva 30978 ·_ℎ csm 30979 norm_ℎcno 30981

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-rep 5225 ax-sep 5242 ax-nul 5252 ax-pr 5378 ax-un 7682

This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-ral 3053 df-rex 3062 df-reu 3352 df-rab 3401 df-v 3443 df-sbc 3742 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-nul 4287 df-if 4481 df-sn 4582 df-pr 4584 df-op 4588 df-uni 4865 df-iun 4949 df-br 5100 df-opab 5162 df-mpt 5181 df-id 5520 df-xp 5631 df-rel 5632 df-cnv 5633 df-co 5634 df-dm 5635 df-rn 5636 df-res 5637 df-ima 5638 df-iota 6449 df-fun 6495 df-fn 6496 df-f 6497 df-f1 6498 df-fo 6499 df-f1o 6500 df-fv 6501 df-ov 7363 df-oprab 7364 df-1st 7935 df-2nd 7936 df-grpo 30551 df-ablo 30603 df-vc 30617 df-nv 30650 df-va 30653 df-ba 30654 df-sm 30655 df-0v 30656 df-nmcv 30658 df-cbn 30921 df-hlo 30944 df-hba 31027

This theorem is referenced by: (None)

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