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Theorem reldmprds 17335
Description: The structure product is a well-behaved binary operator. (Contributed by Stefan O'Rear, 7-Jan-2015.) (Revised by Thierry Arnoux, 15-Jun-2019.) (Revised by Zhi Wang, 18-Aug-2024.)
Assertion
Ref Expression
reldmprds Rel dom Xs

Proof of Theorem reldmprds
Dummy variables π‘Ž 𝑐 𝑑 𝑒 𝑓 𝑔 β„Ž 𝑠 π‘Ÿ π‘₯ 𝑣 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 df-prds 17334 . 2 Xs = (𝑠 ∈ V, π‘Ÿ ∈ V ↦ ⦋Xπ‘₯ ∈ dom π‘Ÿ(Baseβ€˜(π‘Ÿβ€˜π‘₯)) / π‘£β¦Œβ¦‹(𝑓 ∈ 𝑣, 𝑔 ∈ 𝑣 ↦ Xπ‘₯ ∈ dom π‘Ÿ((π‘“β€˜π‘₯)(Hom β€˜(π‘Ÿβ€˜π‘₯))(π‘”β€˜π‘₯))) / β„Žβ¦Œ(({⟨(Baseβ€˜ndx), π‘£βŸ©, ⟨(+gβ€˜ndx), (𝑓 ∈ 𝑣, 𝑔 ∈ 𝑣 ↦ (π‘₯ ∈ dom π‘Ÿ ↦ ((π‘“β€˜π‘₯)(+gβ€˜(π‘Ÿβ€˜π‘₯))(π‘”β€˜π‘₯))))⟩, ⟨(.rβ€˜ndx), (𝑓 ∈ 𝑣, 𝑔 ∈ 𝑣 ↦ (π‘₯ ∈ dom π‘Ÿ ↦ ((π‘“β€˜π‘₯)(.rβ€˜(π‘Ÿβ€˜π‘₯))(π‘”β€˜π‘₯))))⟩} βˆͺ {⟨(Scalarβ€˜ndx), π‘ βŸ©, ⟨( ·𝑠 β€˜ndx), (𝑓 ∈ (Baseβ€˜π‘ ), 𝑔 ∈ 𝑣 ↦ (π‘₯ ∈ dom π‘Ÿ ↦ (𝑓( ·𝑠 β€˜(π‘Ÿβ€˜π‘₯))(π‘”β€˜π‘₯))))⟩, ⟨(Β·π‘–β€˜ndx), (𝑓 ∈ 𝑣, 𝑔 ∈ 𝑣 ↦ (𝑠 Ξ£g (π‘₯ ∈ dom π‘Ÿ ↦ ((π‘“β€˜π‘₯)(Β·π‘–β€˜(π‘Ÿβ€˜π‘₯))(π‘”β€˜π‘₯)))))⟩}) βˆͺ ({⟨(TopSetβ€˜ndx), (∏tβ€˜(TopOpen ∘ π‘Ÿ))⟩, ⟨(leβ€˜ndx), {βŸ¨π‘“, π‘”βŸ© ∣ ({𝑓, 𝑔} βŠ† 𝑣 ∧ βˆ€π‘₯ ∈ dom π‘Ÿ(π‘“β€˜π‘₯)(leβ€˜(π‘Ÿβ€˜π‘₯))(π‘”β€˜π‘₯))}⟩, ⟨(distβ€˜ndx), (𝑓 ∈ 𝑣, 𝑔 ∈ 𝑣 ↦ sup((ran (π‘₯ ∈ dom π‘Ÿ ↦ ((π‘“β€˜π‘₯)(distβ€˜(π‘Ÿβ€˜π‘₯))(π‘”β€˜π‘₯))) βˆͺ {0}), ℝ*, < ))⟩} βˆͺ {⟨(Hom β€˜ndx), β„ŽβŸ©, ⟨(compβ€˜ndx), (π‘Ž ∈ (𝑣 Γ— 𝑣), 𝑐 ∈ 𝑣 ↦ (𝑑 ∈ ((2nd β€˜π‘Ž)β„Žπ‘), 𝑒 ∈ (β„Žβ€˜π‘Ž) ↦ (π‘₯ ∈ dom π‘Ÿ ↦ ((π‘‘β€˜π‘₯)(⟨((1st β€˜π‘Ž)β€˜π‘₯), ((2nd β€˜π‘Ž)β€˜π‘₯)⟩(compβ€˜(π‘Ÿβ€˜π‘₯))(π‘β€˜π‘₯))(π‘’β€˜π‘₯)))))⟩})))
21reldmmpo 7491 1 Rel dom Xs
Colors of variables: wff setvar class
Syntax hints:   ∧ wa 397  βˆ€wral 3061  Vcvv 3444  β¦‹csb 3856   βˆͺ cun 3909   βŠ† wss 3911  {csn 4587  {cpr 4589  {ctp 4591  βŸ¨cop 4593   class class class wbr 5106  {copab 5168   ↦ cmpt 5189   Γ— cxp 5632  dom cdm 5634  ran crn 5635   ∘ ccom 5638  Rel wrel 5639  β€˜cfv 6497  (class class class)co 7358   ∈ cmpo 7360  1st c1st 7920  2nd c2nd 7921  Xcixp 8838  supcsup 9381  0cc0 11056  β„*cxr 11193   < clt 11194  ndxcnx 17070  Basecbs 17088  +gcplusg 17138  .rcmulr 17139  Scalarcsca 17141   ·𝑠 cvsca 17142  Β·π‘–cip 17143  TopSetcts 17144  lecple 17145  distcds 17147  Hom chom 17149  compcco 17150  TopOpenctopn 17308  βˆtcpt 17325   Ξ£g cgsu 17327  Xscprds 17332
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1798  ax-4 1812  ax-5 1914  ax-6 1972  ax-7 2012  ax-8 2109  ax-9 2117  ax-10 2138  ax-11 2155  ax-12 2172  ax-ext 2704  ax-sep 5257  ax-nul 5264  ax-pr 5385
This theorem depends on definitions:  df-bi 206  df-an 398  df-or 847  df-3an 1090  df-tru 1545  df-fal 1555  df-ex 1783  df-nf 1787  df-sb 2069  df-mo 2535  df-eu 2564  df-clab 2711  df-cleq 2725  df-clel 2811  df-nfc 2886  df-rab 3407  df-v 3446  df-dif 3914  df-un 3916  df-in 3918  df-ss 3928  df-nul 4284  df-if 4488  df-sn 4588  df-pr 4590  df-op 4594  df-br 5107  df-opab 5169  df-xp 5640  df-rel 5641  df-dm 5644  df-oprab 7362  df-mpo 7363  df-prds 17334
This theorem is referenced by:  dsmmval  21156  dsmmval2  21158  dsmmbas2  21159  dsmmfi  21160
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