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Theorem hocofi 31853
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 6694 . 2 ((𝑆: ℋ⟶ ℋ ∧ 𝑇: ℋ⟶ ℋ) → (𝑆𝑇): ℋ⟶ ℋ)
41, 2, 3mp2an 693 1 (𝑆𝑇): ℋ⟶ ℋ
Colors of variables: wff setvar class
Syntax hints:  ccom 5636  wf 6496  chba 31006
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 1912  ax-6 1969  ax-7 2010  ax-8 2116  ax-9 2124  ax-10 2147  ax-11 2163  ax-12 2185  ax-ext 2709  ax-sep 5243  ax-pr 5379
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 849  df-3an 1089  df-tru 1545  df-fal 1555  df-ex 1782  df-nf 1786  df-sb 2069  df-mo 2540  df-eu 2570  df-clab 2716  df-cleq 2729  df-clel 2812  df-nfc 2886  df-ral 3053  df-rex 3063  df-rab 3402  df-v 3444  df-dif 3906  df-un 3908  df-in 3910  df-ss 3920  df-nul 4288  df-if 4482  df-sn 4583  df-pr 4585  df-op 4589  df-br 5101  df-opab 5163  df-id 5527  df-xp 5638  df-rel 5639  df-cnv 5640  df-co 5641  df-dm 5642  df-rn 5643  df-res 5644  df-ima 5645  df-fun 6502  df-fn 6503  df-f 6504
This theorem is referenced by:  hocofni  31854  hocadddiri  31866  hocsubdiri  31867  ho2coi  31868  ho0coi  31875  hoid1i  31876  hoid1ri  31877  hoddii  32076  lnopcoi  32090  bdopcoi  32185  adjcoi  32187  nmopcoadji  32188  unierri  32191  pjsdii  32242  pjddii  32243  pjsdi2i  32244  pjss1coi  32250  pjss2coi  32251  pjorthcoi  32256  pjinvari  32278  pjclem1  32282  pjclem4  32286  pjadj2coi  32291  pj3lem1  32293  pj3si  32294  pj3cor1i  32296
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