Theorem rrxf 24005

Description: Euclidean vectors as functions. (Contributed by Thierry Arnoux, 7-Jul-2019.)

Hypotheses

Ref	Expression
rrxmval.1	⊢ 𝑋 = {ℎ ∈ (ℝ ↑m 𝐼) ∣ ℎ finSupp 0}
rrxf.1	⊢ (𝜑 → 𝐹 ∈ 𝑋)

Assertion

Ref	Expression
rrxf	⊢ (𝜑 → 𝐹:𝐼⟶ℝ)

Distinct variable groups:   ℎ,𝐹   ℎ,𝐼

Allowed substitution hints:   𝜑(ℎ)   𝑋(ℎ)

Proof of Theorem rrxf

Step	Hyp	Ref	Expression
1		rrxmval.1	. . . 4 ⊢ 𝑋 = {ℎ ∈ (ℝ ↑m 𝐼) ∣ ℎ finSupp 0}
2	1	ssrab3 4008	. . 3 ⊢ 𝑋 ⊆ (ℝ ↑m 𝐼)
3		rrxf.1	. . 3 ⊢ (𝜑 → 𝐹 ∈ 𝑋)
4	2, 3	sseldi 3913	. 2 ⊢ (𝜑 → 𝐹 ∈ (ℝ ↑m 𝐼))
5		elmapi 8411	. 2 ⊢ (𝐹 ∈ (ℝ ↑m 𝐼) → 𝐹:𝐼⟶ℝ)
6	4, 5	syl 17	1 ⊢ (𝜑 → 𝐹:𝐼⟶ℝ)

Syntax hints:   → wi 4   = wceq 1538   ∈ wcel 2111  {crab 3110   class class class wbr 5030  ⟶wf 6320  (class class class)co 7135   ↑_m cmap 8389   finSupp cfsupp 8817  ℝcr 10525  0cc0 10526

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 1911  ax-6 1970  ax-7 2015  ax-8 2113  ax-9 2121  ax-10 2142  ax-11 2158  ax-12 2175  ax-ext 2770  ax-sep 5167  ax-nul 5174  ax-pow 5231  ax-pr 5295  ax-un 7441

This theorem depends on definitions:  df-bi 210  df-an 400  df-or 845  df-3an 1086  df-tru 1541  df-ex 1782  df-nf 1786  df-sb 2070  df-mo 2598  df-eu 2629  df-clab 2777  df-cleq 2791  df-clel 2870  df-nfc 2938  df-ne 2988  df-ral 3111  df-rex 3112  df-rab 3115  df-v 3443  df-sbc 3721  df-csb 3829  df-dif 3884  df-un 3886  df-in 3888  df-ss 3898  df-nul 4244  df-if 4426  df-pw 4499  df-sn 4526  df-pr 4528  df-op 4532  df-uni 4801  df-iun 4883  df-br 5031  df-opab 5093  df-mpt 5111  df-id 5425  df-xp 5525  df-rel 5526  df-cnv 5527  df-co 5528  df-dm 5529  df-rn 5530  df-res 5531  df-ima 5532  df-iota 6283  df-fun 6326  df-fn 6327  df-f 6328  df-fv 6332  df-ov 7138  df-oprab 7139  df-mpo 7140  df-1st 7671  df-2nd 7672  df-map 8391

This theorem is referenced by:  rrxsuppss  24007  rrxmval  24009  rrxmetlem  24011  rrxmet  24012  rrxdstprj1  24013