Theorem trclfvlb 14915

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 4917	. 2 ⊢ 𝑅 ⊆ ∩ {𝑟 ∣ (𝑅 ⊆ 𝑟 ∧ (𝑟 ∘ 𝑟) ⊆ 𝑟)}
2		trclfv 14907	. 2 ⊢ (𝑅 ∈ 𝑉 → (t+‘𝑅) = ∩ {𝑟 ∣ (𝑅 ⊆ 𝑟 ∧ (𝑟 ∘ 𝑟) ⊆ 𝑟)})
3	1, 2	sseqtrrid 3979	1 ⊢ (𝑅 ∈ 𝑉 → 𝑅 ⊆ (t+‘𝑅))

Syntax hints:   → wi 4   ∧ wa 395   ∈ wcel 2109  {cab 2707   ⊆ wss 3903  ∩ cint 4896   ∘ ccom 5623  ‘cfv 6482  t+ctcl 14892

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1795  ax-4 1809  ax-5 1910  ax-6 1967  ax-7 2008  ax-8 2111  ax-9 2119  ax-10 2142  ax-11 2158  ax-12 2178  ax-ext 2701  ax-sep 5235  ax-nul 5245  ax-pow 5304  ax-pr 5371  ax-un 7671

This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3an 1088  df-tru 1543  df-fal 1553  df-ex 1780  df-nf 1784  df-sb 2066  df-mo 2533  df-eu 2562  df-clab 2708  df-cleq 2721  df-clel 2803  df-nfc 2878  df-ne 2926  df-ral 3045  df-rex 3054  df-rab 3395  df-v 3438  df-dif 3906  df-un 3908  df-in 3910  df-ss 3920  df-nul 4285  df-if 4477  df-pw 4553  df-sn 4578  df-pr 4580  df-op 4584  df-uni 4859  df-int 4897  df-br 5093  df-opab 5155  df-mpt 5174  df-id 5514  df-xp 5625  df-rel 5626  df-cnv 5627  df-co 5628  df-dm 5629  df-rn 5630  df-res 5631  df-iota 6438  df-fun 6484  df-fv 6490  df-trcl 14894

This theorem is referenced by:  trclfvlb2  14917  trclfvlb3  14918  cotrtrclfv  14919  trclfvg  14922  dmtrclfv  14925  rntrclfvOAI  42674  brtrclfv2  43710  frege96d  43732  frege91d  43734  frege97d  43735  frege109d  43740  frege131d  43747