Theorem trclfvlb 14571

Description: The transitive closure of a relation has a lower bound. (Contributed by RP, 28-Apr-2020.)

Assertion

Ref	Expression
trclfvlb	⊢ (𝑅 ∈ 𝑉 → 𝑅 ⊆ (t+‘𝑅))

Proof of Theorem trclfvlb

Dummy variable 𝑟 is distinct from all other variables.

Step	Hyp	Ref	Expression
1		ssmin 4878	. 2 ⊢ 𝑅 ⊆ ∩ {𝑟 ∣ (𝑅 ⊆ 𝑟 ∧ (𝑟 ∘ 𝑟) ⊆ 𝑟)}
2		trclfv 14563	. 2 ⊢ (𝑅 ∈ 𝑉 → (t+‘𝑅) = ∩ {𝑟 ∣ (𝑅 ⊆ 𝑟 ∧ (𝑟 ∘ 𝑟) ⊆ 𝑟)})
3	1, 2	sseqtrrid 3954	1 ⊢ (𝑅 ∈ 𝑉 → 𝑅 ⊆ (t+‘𝑅))

Syntax hints:   → wi 4   ∧ wa 399   ∈ wcel 2110  {cab 2714   ⊆ wss 3866  ∩ cint 4859   ∘ ccom 5555  ‘cfv 6380  t+ctcl 14548

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1803  ax-4 1817  ax-5 1918  ax-6 1976  ax-7 2016  ax-8 2112  ax-9 2120  ax-10 2141  ax-11 2158  ax-12 2175  ax-ext 2708  ax-sep 5192  ax-nul 5199  ax-pow 5258  ax-pr 5322  ax-un 7523

This theorem depends on definitions:  df-bi 210  df-an 400  df-or 848  df-3an 1091  df-tru 1546  df-fal 1556  df-ex 1788  df-nf 1792  df-sb 2071  df-mo 2539  df-eu 2568  df-clab 2715  df-cleq 2729  df-clel 2816  df-nfc 2886  df-ne 2941  df-ral 3066  df-rex 3067  df-rab 3070  df-v 3410  df-dif 3869  df-un 3871  df-in 3873  df-ss 3883  df-nul 4238  df-if 4440  df-pw 4515  df-sn 4542  df-pr 4544  df-op 4548  df-uni 4820  df-int 4860  df-br 5054  df-opab 5116  df-mpt 5136  df-id 5455  df-xp 5557  df-rel 5558  df-cnv 5559  df-co 5560  df-dm 5561  df-rn 5562  df-res 5563  df-iota 6338  df-fun 6382  df-fv 6388  df-trcl 14550

This theorem is referenced by:  trclfvlb2  14573  trclfvlb3  14574  cotrtrclfv  14575  trclfvg  14578  dmtrclfv  14581  rntrclfvOAI  40216  brtrclfv2  41012  frege96d  41034  frege91d  41036  frege97d  41037  frege109d  41042  frege131d  41049