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Theorem rrxsuppss 24767
Description: Support of Euclidean vectors. (Contributed by Thierry Arnoux, 7-Jul-2019.)
Hypotheses
Ref Expression
rrxmval.1 𝑋 = { ∈ (ℝ ↑m 𝐼) ∣ finSupp 0}
rrxf.1 (𝜑𝐹𝑋)
Assertion
Ref Expression
rrxsuppss (𝜑 → (𝐹 supp 0) ⊆ 𝐼)
Distinct variable groups:   ,𝐹   ,𝐼
Allowed substitution hints:   𝜑()   𝑋()

Proof of Theorem rrxsuppss
StepHypRef Expression
1 suppssdm 8108 . 2 (𝐹 supp 0) ⊆ dom 𝐹
2 rrxmval.1 . . 3 𝑋 = { ∈ (ℝ ↑m 𝐼) ∣ finSupp 0}
3 rrxf.1 . . 3 (𝜑𝐹𝑋)
42, 3rrxf 24765 . 2 (𝜑𝐹:𝐼⟶ℝ)
51, 4fssdm 6688 1 (𝜑 → (𝐹 supp 0) ⊆ 𝐼)
Colors of variables: wff setvar class
Syntax hints:  wi 4   = wceq 1541  wcel 2106  {crab 3407  wss 3910   class class class wbr 5105  (class class class)co 7357   supp csupp 8092  m cmap 8765   finSupp cfsupp 9305  cr 11050  0cc0 11051
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 2707  ax-sep 5256  ax-nul 5263  ax-pow 5320  ax-pr 5384  ax-un 7672
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 2538  df-eu 2567  df-clab 2714  df-cleq 2728  df-clel 2814  df-nfc 2889  df-ne 2944  df-ral 3065  df-rex 3074  df-rab 3408  df-v 3447  df-sbc 3740  df-csb 3856  df-dif 3913  df-un 3915  df-in 3917  df-ss 3927  df-nul 4283  df-if 4487  df-pw 4562  df-sn 4587  df-pr 4589  df-op 4593  df-uni 4866  df-iun 4956  df-br 5106  df-opab 5168  df-mpt 5189  df-id 5531  df-xp 5639  df-rel 5640  df-cnv 5641  df-co 5642  df-dm 5643  df-rn 5644  df-res 5645  df-ima 5646  df-iota 6448  df-fun 6498  df-fn 6499  df-f 6500  df-fv 6504  df-ov 7360  df-oprab 7361  df-mpo 7362  df-1st 7921  df-2nd 7922  df-supp 8093  df-map 8767
This theorem is referenced by:  rrxmval  24769  rrxmet  24772  rrxdstprj1  24773
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