Theorem homulcl 29538

Description: The scalar product of a Hilbert space operator is an operator. (Contributed by NM, 21-Feb-2006.) (Revised by Mario Carneiro, 16-Nov-2013.) (New usage is discouraged.)

Assertion

Ref	Expression
homulcl	⊢ ((𝐴 ∈ ℂ ∧ 𝑇: ℋ⟶ ℋ) → (𝐴 ·op 𝑇): ℋ⟶ ℋ)

Proof of Theorem homulcl

Dummy variable 𝑥 is distinct from all other variables.

Step	Hyp	Ref	Expression
1		ffvelrn 6851	. . . . 5 ⊢ ((𝑇: ℋ⟶ ℋ ∧ 𝑥 ∈ ℋ) → (𝑇‘𝑥) ∈ ℋ)
2		hvmulcl 28792	. . . . 5 ⊢ ((𝐴 ∈ ℂ ∧ (𝑇‘𝑥) ∈ ℋ) → (𝐴 ·ℎ (𝑇‘𝑥)) ∈ ℋ)
3	1, 2	sylan2 594	. . . 4 ⊢ ((𝐴 ∈ ℂ ∧ (𝑇: ℋ⟶ ℋ ∧ 𝑥 ∈ ℋ)) → (𝐴 ·ℎ (𝑇‘𝑥)) ∈ ℋ)
4	3	anassrs 470	. . 3 ⊢ (((𝐴 ∈ ℂ ∧ 𝑇: ℋ⟶ ℋ) ∧ 𝑥 ∈ ℋ) → (𝐴 ·ℎ (𝑇‘𝑥)) ∈ ℋ)
5	4	fmpttd 6881	. 2 ⊢ ((𝐴 ∈ ℂ ∧ 𝑇: ℋ⟶ ℋ) → (𝑥 ∈ ℋ ↦ (𝐴 ·ℎ (𝑇‘𝑥))): ℋ⟶ ℋ)
6		hommval 29515	. . 3 ⊢ ((𝐴 ∈ ℂ ∧ 𝑇: ℋ⟶ ℋ) → (𝐴 ·op 𝑇) = (𝑥 ∈ ℋ ↦ (𝐴 ·ℎ (𝑇‘𝑥))))
7	6	feq1d 6501	. 2 ⊢ ((𝐴 ∈ ℂ ∧ 𝑇: ℋ⟶ ℋ) → ((𝐴 ·op 𝑇): ℋ⟶ ℋ ↔ (𝑥 ∈ ℋ ↦ (𝐴 ·ℎ (𝑇‘𝑥))): ℋ⟶ ℋ))
8	5, 7	mpbird 259	1 ⊢ ((𝐴 ∈ ℂ ∧ 𝑇: ℋ⟶ ℋ) → (𝐴 ·op 𝑇): ℋ⟶ ℋ)

Syntax hints:   → wi 4   ∧ wa 398   ∈ wcel 2114   ↦ cmpt 5148  ⟶wf 6353  ‘cfv 6357  (class class class)co 7158  ℂcc 10537   ℋchba 28698   ·_ℎ csm 28700   ·_op chot 28718

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1796  ax-4 1810  ax-5 1911  ax-6 1970  ax-7 2015  ax-8 2116  ax-9 2124  ax-10 2145  ax-11 2161  ax-12 2177  ax-ext 2795  ax-rep 5192  ax-sep 5205  ax-nul 5212  ax-pow 5268  ax-pr 5332  ax-un 7463  ax-hilex 28778  ax-hfvmul 28784

This theorem depends on definitions:  df-bi 209  df-an 399  df-or 844  df-3an 1085  df-tru 1540  df-ex 1781  df-nf 1785  df-sb 2070  df-mo 2622  df-eu 2654  df-clab 2802  df-cleq 2816  df-clel 2895  df-nfc 2965  df-ne 3019  df-ral 3145  df-rex 3146  df-reu 3147  df-rab 3149  df-v 3498  df-sbc 3775  df-csb 3886  df-dif 3941  df-un 3943  df-in 3945  df-ss 3954  df-nul 4294  df-if 4470  df-pw 4543  df-sn 4570  df-pr 4572  df-op 4576  df-uni 4841  df-iun 4923  df-br 5069  df-opab 5131  df-mpt 5149  df-id 5462  df-xp 5563  df-rel 5564  df-cnv 5565  df-co 5566  df-dm 5567  df-rn 5568  df-res 5569  df-ima 5570  df-iota 6316  df-fun 6359  df-fn 6360  df-f 6361  df-f1 6362  df-fo 6363  df-f1o 6364  df-fv 6365  df-ov 7161  df-oprab 7162  df-mpo 7163  df-map 8410  df-homul 29510

This theorem is referenced by:  honegsubi  29575  homulid2  29579  homco1  29580  homulass  29581  hoadddi  29582  hoadddir  29583  hosubneg  29586  hosubdi  29587  honegsubdi  29589  honegsubdi2  29590  hosub4  29592  hosubsub4  29597  hosubeq0i  29605  nmopnegi  29744  homco2  29756  lnopmi  29779  hmopm  29800  nmophmi  29810  adjmul  29871  opsqrlem1  29919  opsqrlem6  29924