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Theorem reldmmpl 14732
Description: The multivariate polynomial constructor is a proper binary operator. (Contributed by Mario Carneiro, 21-Mar-2015.)
Assertion
Ref Expression
reldmmpl Rel dom mPoly

Proof of Theorem reldmmpl
Dummy variables 𝑓 𝑖 𝑟 𝑎 𝑏 𝑘 𝑤 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 df-mplcoe 14702 . 2 mPoly = (𝑖 ∈ V, 𝑟 ∈ V ↦ (𝑖 mPwSer 𝑟) / 𝑤(𝑤s {𝑓 ∈ (Base‘𝑤) ∣ ∃𝑎 ∈ (ℕ0𝑚 𝑖)∀𝑏 ∈ (ℕ0𝑚 𝑖)(∀𝑘𝑖 (𝑎𝑘) < (𝑏𝑘) → (𝑓𝑏) = (0g𝑟))}))
21reldmmpo 6138 1 Rel dom mPoly
Colors of variables: wff set class
Syntax hints:  wi 4   = wceq 1397  wral 2509  wrex 2510  {crab 2513  Vcvv 2801  csb 3126   class class class wbr 4089  dom cdm 4727  Rel wrel 4732  cfv 5328  (class class class)co 6023  𝑚 cmap 6822   < clt 8219  0cn0 9407  Basecbs 13105  s cress 13106  0gc0g 13362   mPwSer cmps 14699   mPoly cmpl 14700
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-io 716  ax-5 1495  ax-7 1496  ax-gen 1497  ax-ie1 1541  ax-ie2 1542  ax-8 1552  ax-10 1553  ax-11 1554  ax-i12 1555  ax-bndl 1557  ax-4 1558  ax-17 1574  ax-i9 1578  ax-ial 1582  ax-i5r 1583  ax-14 2204  ax-ext 2212  ax-sep 4208  ax-pow 4266  ax-pr 4301
This theorem depends on definitions:  df-bi 117  df-3an 1006  df-tru 1400  df-nf 1509  df-sb 1810  df-eu 2081  df-mo 2082  df-clab 2217  df-cleq 2223  df-clel 2226  df-nfc 2362  df-ral 2514  df-rex 2515  df-v 2803  df-un 3203  df-in 3205  df-ss 3212  df-pw 3655  df-sn 3676  df-pr 3677  df-op 3679  df-br 4090  df-opab 4152  df-xp 4733  df-rel 4734  df-dm 4737  df-oprab 6027  df-mpo 6028  df-mplcoe 14702
This theorem is referenced by:  mplrcl  14737  mplbasss  14739  mpladd  14747
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