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Theorem hocofi 30805
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 6712 . 2 ((𝑆: ℋ⟶ ℋ ∧ 𝑇: ℋ⟶ ℋ) → (𝑆𝑇): ℋ⟶ ℋ)
41, 2, 3mp2an 690 1 (𝑆𝑇): ℋ⟶ ℋ
Colors of variables: wff setvar class
Syntax hints:  ccom 5657  wf 6512  chba 29958
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1797  ax-4 1811  ax-5 1913  ax-6 1971  ax-7 2011  ax-8 2108  ax-9 2116  ax-10 2137  ax-11 2154  ax-12 2171  ax-ext 2702  ax-sep 5276  ax-nul 5283  ax-pr 5404
This theorem depends on definitions:  df-bi 206  df-an 397  df-or 846  df-3an 1089  df-tru 1544  df-fal 1554  df-ex 1782  df-nf 1786  df-sb 2068  df-mo 2533  df-eu 2562  df-clab 2709  df-cleq 2723  df-clel 2809  df-nfc 2884  df-ral 3061  df-rex 3070  df-rab 3419  df-v 3461  df-dif 3931  df-un 3933  df-in 3935  df-ss 3945  df-nul 4303  df-if 4507  df-sn 4607  df-pr 4609  df-op 4613  df-br 5126  df-opab 5188  df-id 5551  df-xp 5659  df-rel 5660  df-cnv 5661  df-co 5662  df-dm 5663  df-rn 5664  df-res 5665  df-ima 5666  df-fun 6518  df-fn 6519  df-f 6520
This theorem is referenced by:  hocofni  30806  hocadddiri  30818  hocsubdiri  30819  ho2coi  30820  ho0coi  30827  hoid1i  30828  hoid1ri  30829  hoddii  31028  lnopcoi  31042  bdopcoi  31137  adjcoi  31139  nmopcoadji  31140  unierri  31143  pjsdii  31194  pjddii  31195  pjsdi2i  31196  pjss1coi  31202  pjss2coi  31203  pjorthcoi  31208  pjinvari  31230  pjclem1  31234  pjclem4  31238  pjadj2coi  31243  pj3lem1  31245  pj3si  31246  pj3cor1i  31248
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