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Theorem hocadddiri 32109
Description: Distributive law for Hilbert space operator sum. (Contributed by NM, 26-Nov-2000.) (New usage is discouraged.)
Hypotheses
Ref Expression
hods.1 𝑅: ℋ⟶ ℋ
hods.2 𝑆: ℋ⟶ ℋ
hods.3 𝑇: ℋ⟶ ℋ
Assertion
Ref Expression
hocadddiri ((𝑅 +op 𝑆) ∘ 𝑇) = ((𝑅𝑇) +op (𝑆𝑇))

Proof of Theorem hocadddiri
Dummy variable 𝑥 is distinct from all other variables.
StepHypRef Expression
1 hods.1 . . . . . 6 𝑅: ℋ⟶ ℋ
2 hods.2 . . . . . 6 𝑆: ℋ⟶ ℋ
31, 2hoaddcli 32098 . . . . 5 (𝑅 +op 𝑆): ℋ⟶ ℋ
4 hods.3 . . . . 5 𝑇: ℋ⟶ ℋ
53, 4hocoi 32094 . . . 4 (𝑥 ∈ ℋ → (((𝑅 +op 𝑆) ∘ 𝑇)‘𝑥) = ((𝑅 +op 𝑆)‘(𝑇𝑥)))
61, 4hocofi 32096 . . . . . 6 (𝑅𝑇): ℋ⟶ ℋ
72, 4hocofi 32096 . . . . . 6 (𝑆𝑇): ℋ⟶ ℋ
8 hosval 32070 . . . . . 6 (((𝑅𝑇): ℋ⟶ ℋ ∧ (𝑆𝑇): ℋ⟶ ℋ ∧ 𝑥 ∈ ℋ) → (((𝑅𝑇) +op (𝑆𝑇))‘𝑥) = (((𝑅𝑇)‘𝑥) + ((𝑆𝑇)‘𝑥)))
96, 7, 8mp3an12 1480 . . . . 5 (𝑥 ∈ ℋ → (((𝑅𝑇) +op (𝑆𝑇))‘𝑥) = (((𝑅𝑇)‘𝑥) + ((𝑆𝑇)‘𝑥)))
104ffvelcdmi 7080 . . . . . . 7 (𝑥 ∈ ℋ → (𝑇𝑥) ∈ ℋ)
11 hosval 32070 . . . . . . . 8 ((𝑅: ℋ⟶ ℋ ∧ 𝑆: ℋ⟶ ℋ ∧ (𝑇𝑥) ∈ ℋ) → ((𝑅 +op 𝑆)‘(𝑇𝑥)) = ((𝑅‘(𝑇𝑥)) + (𝑆‘(𝑇𝑥))))
121, 2, 11mp3an12 1480 . . . . . . 7 ((𝑇𝑥) ∈ ℋ → ((𝑅 +op 𝑆)‘(𝑇𝑥)) = ((𝑅‘(𝑇𝑥)) + (𝑆‘(𝑇𝑥))))
1310, 12syl 18 . . . . . 6 (𝑥 ∈ ℋ → ((𝑅 +op 𝑆)‘(𝑇𝑥)) = ((𝑅‘(𝑇𝑥)) + (𝑆‘(𝑇𝑥))))
141, 4hocoi 32094 . . . . . . 7 (𝑥 ∈ ℋ → ((𝑅𝑇)‘𝑥) = (𝑅‘(𝑇𝑥)))
152, 4hocoi 32094 . . . . . . 7 (𝑥 ∈ ℋ → ((𝑆𝑇)‘𝑥) = (𝑆‘(𝑇𝑥)))
1614, 15oveq12d 7430 . . . . . 6 (𝑥 ∈ ℋ → (((𝑅𝑇)‘𝑥) + ((𝑆𝑇)‘𝑥)) = ((𝑅‘(𝑇𝑥)) + (𝑆‘(𝑇𝑥))))
1713, 16eqtr4d 2801 . . . . 5 (𝑥 ∈ ℋ → ((𝑅 +op 𝑆)‘(𝑇𝑥)) = (((𝑅𝑇)‘𝑥) + ((𝑆𝑇)‘𝑥)))
189, 17eqtr4d 2801 . . . 4 (𝑥 ∈ ℋ → (((𝑅𝑇) +op (𝑆𝑇))‘𝑥) = ((𝑅 +op 𝑆)‘(𝑇𝑥)))
195, 18eqtr4d 2801 . . 3 (𝑥 ∈ ℋ → (((𝑅 +op 𝑆) ∘ 𝑇)‘𝑥) = (((𝑅𝑇) +op (𝑆𝑇))‘𝑥))
2019rgen 3081 . 2 𝑥 ∈ ℋ (((𝑅 +op 𝑆) ∘ 𝑇)‘𝑥) = (((𝑅𝑇) +op (𝑆𝑇))‘𝑥)
213, 4hocofi 32096 . . 3 ((𝑅 +op 𝑆) ∘ 𝑇): ℋ⟶ ℋ
226, 7hoaddcli 32098 . . 3 ((𝑅𝑇) +op (𝑆𝑇)): ℋ⟶ ℋ
2321, 22hoeqi 32091 . 2 (∀𝑥 ∈ ℋ (((𝑅 +op 𝑆) ∘ 𝑇)‘𝑥) = (((𝑅𝑇) +op (𝑆𝑇))‘𝑥) ↔ ((𝑅 +op 𝑆) ∘ 𝑇) = ((𝑅𝑇) +op (𝑆𝑇)))
2420, 23mpbi 233 1 ((𝑅 +op 𝑆) ∘ 𝑇) = ((𝑅𝑇) +op (𝑆𝑇))
Colors of variables: wff setvar class
Syntax hints:   = wceq 1570  wcel 2143  wral 3079  ccom 5667  wf 6534  cfv 6538  (class class class)co 7412  chba 31249   + cva 31250   +op chos 31268
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-pow 5338  ax-pr 5406  ax-un 7734  ax-hilex 31329  ax-hfvadd 31330
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-pw 4565  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-ov 7415  df-oprab 7416  df-mpo 7417  df-map 8827  df-hosum 32060
This theorem is referenced by: (None)
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