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Theorem trclfvlb 14647
Description: The transitive closure of a relation has a lower bound. (Contributed by RP, 28-Apr-2020.)
Assertion
Ref Expression
trclfvlb (𝑅𝑉𝑅 ⊆ (t+‘𝑅))

Proof of Theorem trclfvlb
Dummy variable 𝑟 is distinct from all other variables.
StepHypRef Expression
1 ssmin 4895 . 2 𝑅 {𝑟 ∣ (𝑅𝑟 ∧ (𝑟𝑟) ⊆ 𝑟)}
2 trclfv 14639 . 2 (𝑅𝑉 → (t+‘𝑅) = {𝑟 ∣ (𝑅𝑟 ∧ (𝑟𝑟) ⊆ 𝑟)})
31, 2sseqtrrid 3970 1 (𝑅𝑉𝑅 ⊆ (t+‘𝑅))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 395  wcel 2108  {cab 2715  wss 3883   cint 4876  ccom 5584  cfv 6418  t+ctcl 14624
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1799  ax-4 1813  ax-5 1914  ax-6 1972  ax-7 2012  ax-8 2110  ax-9 2118  ax-10 2139  ax-11 2156  ax-12 2173  ax-ext 2709  ax-sep 5218  ax-nul 5225  ax-pow 5283  ax-pr 5347  ax-un 7566
This theorem depends on definitions:  df-bi 206  df-an 396  df-or 844  df-3an 1087  df-tru 1542  df-fal 1552  df-ex 1784  df-nf 1788  df-sb 2069  df-mo 2540  df-eu 2569  df-clab 2716  df-cleq 2730  df-clel 2817  df-nfc 2888  df-ne 2943  df-ral 3068  df-rex 3069  df-rab 3072  df-v 3424  df-dif 3886  df-un 3888  df-in 3890  df-ss 3900  df-nul 4254  df-if 4457  df-pw 4532  df-sn 4559  df-pr 4561  df-op 4565  df-uni 4837  df-int 4877  df-br 5071  df-opab 5133  df-mpt 5154  df-id 5480  df-xp 5586  df-rel 5587  df-cnv 5588  df-co 5589  df-dm 5590  df-rn 5591  df-res 5592  df-iota 6376  df-fun 6420  df-fv 6426  df-trcl 14626
This theorem is referenced by:  trclfvlb2  14649  trclfvlb3  14650  cotrtrclfv  14651  trclfvg  14654  dmtrclfv  14657  rntrclfvOAI  40429  brtrclfv2  41224  frege96d  41246  frege91d  41248  frege97d  41249  frege109d  41254  frege131d  41261
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