Theorem trclfvlb 15022

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 4926	. 2 ⊢ 𝑅 ⊆ ∩ {𝑟 ∣ (𝑅 ⊆ 𝑟 ∧ (𝑟 ∘ 𝑟) ⊆ 𝑟)}
2		trclfv 15014	. 2 ⊢ (𝑅 ∈ 𝑉 → (t+‘𝑅) = ∩ {𝑟 ∣ (𝑅 ⊆ 𝑟 ∧ (𝑟 ∘ 𝑟) ⊆ 𝑟)})
3	1, 2	sseqtrrid 3980	1 ⊢ (𝑅 ∈ 𝑉 → 𝑅 ⊆ (t+‘𝑅))

Syntax hints:   → wi 4   ∧ wa 399   ∈ wcel 2143  {cab 2741   ⊆ wss 3905  ∩ cint 4906   ∘ ccom 5652  ‘cfv 6522  t+ctcl 14999

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1816  ax-4 1830  ax-5 1931  ax-6 1988  ax-7 2029  ax-8 2145  ax-9 2153  ax-10 2176  ax-11 2192  ax-12 2213  ax-ext 2735  ax-sep 5247  ax-pow 5323  ax-pr 5391  ax-un 7719

This theorem depends on definitions:  df-bi 209  df-an 400  df-or 859  df-3an 1101  df-tru 1564  df-fal 1574  df-ex 1801  df-nf 1805  df-sb 2092  df-mo 2567  df-eu 2597  df-clab 2742  df-cleq 2755  df-clel 2838  df-nfc 2912  df-ne 2959  df-ral 3078  df-rex 3088  df-rab 3416  df-v 3457  df-dif 3908  df-un 3910  df-in 3912  df-ss 3922  df-nul 4287  df-if 4482  df-pw 4558  df-sn 4584  df-pr 4586  df-op 4590  df-uni 4867  df-int 4907  df-br 5102  df-opab 5164  df-mpt 5183  df-id 5543  df-xp 5654  df-rel 5655  df-cnv 5656  df-co 5657  df-dm 5658  df-rn 5659  df-res 5660  df-iota 6478  df-fun 6524  df-fv 6530  df-trcl 15001

This theorem is referenced by:  trclfvlb2  15024  trclfvlb3  15025  cotrtrclfv  15026  trclfvg  15029  dmtrclfv  15032  rntrclfvOAI  43273  brtrclfv2  44304  frege96d  44326  frege91d  44328  frege97d  44329  frege109d  44334  frege131d  44341