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Theorem hocofi 31862
Description: Mapping of composition of Hilbert space operators. (Contributed by NM, 14-Nov-2000.) (New usage is discouraged.)
Hypotheses
Ref Expression
hoeq.1 𝑆: ℋ⟶ ℋ
hoeq.2 𝑇: ℋ⟶ ℋ
Assertion
Ref Expression
hocofi (𝑆𝑇): ℋ⟶ ℋ

Proof of Theorem hocofi
StepHypRef Expression
1 hoeq.1 . 2 𝑆: ℋ⟶ ℋ
2 hoeq.2 . 2 𝑇: ℋ⟶ ℋ
3 fco 6686 . 2 ((𝑆: ℋ⟶ ℋ ∧ 𝑇: ℋ⟶ ℋ) → (𝑆𝑇): ℋ⟶ ℋ)
41, 2, 3mp2an 698 1 (𝑆𝑇): ℋ⟶ ℋ
Colors of variables: wff setvar class
Syntax hints:  ccom 5629  wf 6488  chba 31015
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1802  ax-4 1816  ax-5 1917  ax-6 1974  ax-7 2015  ax-8 2121  ax-9 2129  ax-10 2152  ax-11 2168  ax-12 2189  ax-ext 2712  ax-sep 5225  ax-pr 5369
This theorem depends on definitions:  df-bi 208  df-an 397  df-or 854  df-3an 1094  df-tru 1550  df-fal 1560  df-ex 1787  df-nf 1791  df-sb 2074  df-mo 2543  df-eu 2573  df-clab 2719  df-cleq 2732  df-clel 2815  df-nfc 2889  df-ral 3055  df-rex 3065  df-rab 3393  df-v 3434  df-dif 3893  df-un 3895  df-in 3897  df-ss 3907  df-nul 4269  df-if 4462  df-sn 4563  df-pr 4565  df-op 4569  df-br 5080  df-opab 5142  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-fun 6494  df-fn 6495  df-f 6496
This theorem is referenced by:  hocofni  31863  hocadddiri  31875  hocsubdiri  31876  ho2coi  31877  ho0coi  31884  hoid1i  31885  hoid1ri  31886  hoddii  32085  lnopcoi  32099  bdopcoi  32194  adjcoi  32196  nmopcoadji  32197  unierri  32200  pjsdii  32251  pjddii  32252  pjsdi2i  32253  pjss1coi  32259  pjss2coi  32260  pjorthcoi  32265  pjinvari  32287  pjclem1  32291  pjclem4  32295  pjadj2coi  32300  pj3lem1  32302  pj3si  32303  pj3cor1i  32305
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