Theorem rlimrel 15397

Description: The limit relation is a relation. (Contributed by Mario Carneiro, 24-Sep-2014.)

Assertion

Ref	Expression
rlimrel	⊢ Rel ⇝𝑟

Proof of Theorem rlimrel

Dummy variables 𝑤 𝑥 𝑦 𝑧 𝑓 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		df-rlim 15393	. 2 ⊢ ⇝𝑟 = {⟨𝑓, 𝑥⟩ ∣ ((𝑓 ∈ (ℂ ↑pm ℝ) ∧ 𝑥 ∈ ℂ) ∧ ∀𝑦 ∈ ℝ+ ∃𝑧 ∈ ℝ ∀𝑤 ∈ dom 𝑓(𝑧 ≤ 𝑤 → (abs‘((𝑓‘𝑤) − 𝑥)) < 𝑦))}
2	1	relopabiv 5760	1 ⊢ Rel ⇝𝑟

Syntax hints:   → wi 4   ∧ wa 395   ∈ wcel 2111  ∀wral 3047  ∃wrex 3056   class class class wbr 5091  dom cdm 5616  Rel wrel 5621  ‘cfv 6481  (class class class)co 7346   ↑_pm cpm 8751  ℂcc 11001  ℝcr 11002   < clt 11143   ≤ cle 11144   − cmin 11341  ℝ⁺crp 12887  abscabs 15138   ⇝_𝑟 crli 15389

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1796  ax-4 1810  ax-5 1911  ax-6 1968  ax-7 2009  ax-8 2113  ax-9 2121  ax-ext 2703

This theorem depends on definitions:  df-bi 207  df-an 396  df-tru 1544  df-ex 1781  df-sb 2068  df-clab 2710  df-cleq 2723  df-clel 2806  df-v 3438  df-ss 3919  df-opab 5154  df-xp 5622  df-rel 5623  df-rlim 15393

This theorem is referenced by:  rlim  15399  rlimpm  15404  rlimdm  15455  caucvgrlem2  15579  caucvgr  15580  rlimdmafv  47207  rlimdmafv2  47288