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Theorem hocofi 32023
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 6720 . 2 ((𝑆: ℋ⟶ ℋ ∧ 𝑇: ℋ⟶ ℋ) → (𝑆𝑇): ℋ⟶ ℋ)
41, 2, 3mp2an 704 1 (𝑆𝑇): ℋ⟶ ℋ
Colors of variables: wff setvar class
Syntax hints:  ccom 5655  wf 6521  chba 31176
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1818  ax-4 1832  ax-5 1933  ax-6 1990  ax-7 2031  ax-8 2147  ax-9 2155  ax-10 2178  ax-11 2194  ax-12 2215  ax-ext 2737  ax-sep 5250  ax-pr 5394
This theorem depends on definitions:  df-bi 210  df-an 401  df-or 861  df-3an 1103  df-tru 1566  df-fal 1576  df-ex 1803  df-nf 1807  df-sb 2094  df-mo 2569  df-eu 2599  df-clab 2744  df-cleq 2757  df-clel 2840  df-nfc 2914  df-ral 3080  df-rex 3090  df-rab 3418  df-v 3459  df-dif 3910  df-un 3912  df-in 3914  df-ss 3924  df-nul 4289  df-if 4484  df-sn 4586  df-pr 4588  df-op 4592  df-br 5105  df-opab 5167  df-id 5546  df-xp 5657  df-rel 5658  df-cnv 5659  df-co 5660  df-dm 5661  df-rn 5662  df-res 5663  df-ima 5664  df-fun 6527  df-fn 6528  df-f 6529
This theorem is referenced by:  hocofni  32024  hocadddiri  32036  hocsubdiri  32037  ho2coi  32038  ho0coi  32045  hoid1i  32046  hoid1ri  32047  hoddii  32246  lnopcoi  32260  bdopcoi  32355  adjcoi  32357  nmopcoadji  32358  unierri  32361  pjsdii  32412  pjddii  32413  pjsdi2i  32414  pjss1coi  32420  pjss2coi  32421  pjorthcoi  32426  pjinvari  32448  pjclem1  32452  pjclem4  32456  pjadj2coi  32461  pj3lem1  32463  pj3si  32464  pj3cor1i  32466
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