Theorem rlimmptrcl 15570

Description: Reverse closure for a real limit. (Contributed by Mario Carneiro, 10-May-2016.)

Hypotheses

Ref	Expression
rlimabs.1	⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → 𝐵 ∈ 𝑉)
rlimabs.2	⊢ (𝜑 → (𝑘 ∈ 𝐴 ↦ 𝐵) ⇝𝑟 𝐶)

Assertion

Ref	Expression
rlimmptrcl	⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → 𝐵 ∈ ℂ)

Distinct variable groups:   𝐴,𝑘   𝜑,𝑘

Allowed substitution hints:   𝐵(𝑘)   𝐶(𝑘)   𝑉(𝑘)

Proof of Theorem rlimmptrcl

Step	Hyp	Ref	Expression
1		rlimabs.2	. . . 4 ⊢ (𝜑 → (𝑘 ∈ 𝐴 ↦ 𝐵) ⇝𝑟 𝐶)
2		rlimf 15463	. . . 4 ⊢ ((𝑘 ∈ 𝐴 ↦ 𝐵) ⇝𝑟 𝐶 → (𝑘 ∈ 𝐴 ↦ 𝐵):dom (𝑘 ∈ 𝐴 ↦ 𝐵)⟶ℂ)
3	1, 2	syl 17	. . 3 ⊢ (𝜑 → (𝑘 ∈ 𝐴 ↦ 𝐵):dom (𝑘 ∈ 𝐴 ↦ 𝐵)⟶ℂ)
4		eqid 2736	. . . . 5 ⊢ (𝑘 ∈ 𝐴 ↦ 𝐵) = (𝑘 ∈ 𝐴 ↦ 𝐵)
5		rlimabs.1	. . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → 𝐵 ∈ 𝑉)
6	4, 5	dmmptd 6643	. . . 4 ⊢ (𝜑 → dom (𝑘 ∈ 𝐴 ↦ 𝐵) = 𝐴)
7	6	feq2d 6652	. . 3 ⊢ (𝜑 → ((𝑘 ∈ 𝐴 ↦ 𝐵):dom (𝑘 ∈ 𝐴 ↦ 𝐵)⟶ℂ ↔ (𝑘 ∈ 𝐴 ↦ 𝐵):𝐴⟶ℂ))
8	3, 7	mpbid 232	. 2 ⊢ (𝜑 → (𝑘 ∈ 𝐴 ↦ 𝐵):𝐴⟶ℂ)
9	8	fvmptelcdm 7065	1 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → 𝐵 ∈ ℂ)

Syntax hints:   → wi 4   ∧ wa 395   ∈ wcel 2114   class class class wbr 5085   ↦ cmpt 5166  dom cdm 5631  ⟶wf 6494  ℂcc 11036   ⇝_𝑟 crli 15447

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 2708  ax-sep 5231  ax-pow 5307  ax-pr 5375  ax-un 7689  ax-cnex 11094  ax-resscn 11095

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 2539  df-eu 2569  df-clab 2715  df-cleq 2728  df-clel 2811  df-nfc 2885  df-ne 2933  df-ral 3052  df-rex 3062  df-rab 3390  df-v 3431  df-sbc 3729  df-dif 3892  df-un 3894  df-in 3896  df-ss 3906  df-nul 4274  df-if 4467  df-pw 4543  df-sn 4568  df-pr 4570  df-op 4574  df-uni 4851  df-br 5086  df-opab 5148  df-mpt 5167  df-id 5526  df-xp 5637  df-rel 5638  df-cnv 5639  df-co 5640  df-dm 5641  df-rn 5642  df-res 5643  df-ima 5644  df-iota 6454  df-fun 6500  df-fn 6501  df-f 6502  df-fv 6506  df-ov 7370  df-oprab 7371  df-mpo 7372  df-pm 8776  df-rlim 15451

This theorem is referenced by:  rlimabs  15571  rlimcj  15572  rlimre  15573  rlimim  15574  rlimadd  15605  rlimsub  15606  rlimmul  15607  rlimdiv  15608  rlimneg  15609  fsumrlim  15774  dvfsumrlim  25998  rlimcxp  26937  cxploglim2  26942