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Theorem axhvaddid-zf 31319
Description: Derive Axiom ax-hvaddid 31337 from Hilbert space under ZF set theory. (Contributed by NM, 31-May-2008.) (New usage is discouraged.)
Hypotheses
Ref Expression
axhil.1 𝑈 = ⟨⟨ + , · ⟩, norm
axhil.2 𝑈 ∈ CHilOLD
Assertion
Ref Expression
axhvaddid-zf (𝐴 ∈ ℋ → (𝐴 + 0) = 𝐴)

Proof of Theorem axhvaddid-zf
StepHypRef Expression
1 axhil.2 . 2 𝑈 ∈ CHilOLD
2 df-hba 31302 . . . 4 ℋ = (BaseSet‘⟨⟨ + , · ⟩, norm⟩)
3 axhil.1 . . . . 5 𝑈 = ⟨⟨ + , · ⟩, norm
43fveq2i 6886 . . . 4 (BaseSet‘𝑈) = (BaseSet‘⟨⟨ + , · ⟩, norm⟩)
52, 4eqtr4i 2789 . . 3 ℋ = (BaseSet‘𝑈)
61hlnvi 31225 . . . 4 𝑈 ∈ NrmCVec
73, 6h2hva 31307 . . 3 + = ( +𝑣𝑈)
8 df-h0v 31303 . . . 4 0 = (0vec‘⟨⟨ + , · ⟩, norm⟩)
93fveq2i 6886 . . . 4 (0vec𝑈) = (0vec‘⟨⟨ + , · ⟩, norm⟩)
108, 9eqtr4i 2789 . . 3 0 = (0vec𝑈)
115, 7, 10hladdid 31236 . 2 ((𝑈 ∈ CHilOLD𝐴 ∈ ℋ) → (𝐴 + 0) = 𝐴)
121, 11mpan 702 1 (𝐴 ∈ ℋ → (𝐴 + 0) = 𝐴)
Colors of variables: wff setvar class
Syntax hints:  wi 4   = wceq 1570  wcel 2143  cop 4596  cfv 6538  (class class class)co 7412  BaseSetcba 30919  0veccn0v 30921  CHilOLDchlo 31218  chba 31252   + cva 31253   · csm 31254  normcno 31256  0c0v 31257
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1825  ax-4 1839  ax-5 1940  ax-6 1997  ax-7 2038  ax-8 2145  ax-9 2153  ax-10 2176  ax-11 2192  ax-12 2213  ax-ext 2735  ax-rep 5239  ax-sep 5258  ax-nul 5270  ax-pr 5406  ax-un 7734
This theorem depends on definitions:  df-bi 210  df-an 401  df-or 861  df-3an 1105  df-tru 1573  df-fal 1583  df-ex 1810  df-nf 1814  df-sb 2097  df-mo 2567  df-eu 2597  df-clab 2742  df-cleq 2755  df-clel 2838  df-nfc 2912  df-ne 2959  df-ral 3080  df-rex 3090  df-reu 3370  df-rab 3417  df-v 3457  df-sbc 3746  df-csb 3855  df-dif 3909  df-un 3911  df-in 3913  df-ss 3923  df-nul 4288  df-if 4489  df-sn 4591  df-pr 4593  df-op 4597  df-uni 4874  df-iun 4959  df-br 5111  df-opab 5175  df-mpt 5194  df-id 5558  df-xp 5669  df-rel 5670  df-cnv 5671  df-co 5672  df-dm 5673  df-rn 5674  df-res 5675  df-ima 5676  df-iota 6494  df-fun 6540  df-fn 6541  df-f 6542  df-f1 6543  df-fo 6544  df-f1o 6545  df-fv 6546  df-riota 7369  df-ov 7415  df-oprab 7416  df-1st 7987  df-2nd 7988  df-grpo 30826  df-gid 30827  df-ablo 30878  df-vc 30892  df-nv 30925  df-va 30928  df-ba 30929  df-sm 30930  df-0v 30931  df-nmcv 30933  df-cbn 31196  df-hlo 31219  df-hba 31302  df-h0v 31303
This theorem is referenced by: (None)
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