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Theorem trclfvlb 13968
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 4648 . 2 𝑅 {𝑟 ∣ (𝑅𝑟 ∧ (𝑟𝑟) ⊆ 𝑟)}
2 trclfv 13960 . 2 (𝑅𝑉 → (t+‘𝑅) = {𝑟 ∣ (𝑅𝑟 ∧ (𝑟𝑟) ⊆ 𝑟)})
31, 2syl5sseqr 3795 1 (𝑅𝑉𝑅 ⊆ (t+‘𝑅))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 383  wcel 2139  {cab 2746  wss 3715   cint 4627  ccom 5270  cfv 6049  t+ctcl 13945
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1871  ax-4 1886  ax-5 1988  ax-6 2054  ax-7 2090  ax-8 2141  ax-9 2148  ax-10 2168  ax-11 2183  ax-12 2196  ax-13 2391  ax-ext 2740  ax-sep 4933  ax-nul 4941  ax-pow 4992  ax-pr 5055  ax-un 7115
This theorem depends on definitions:  df-bi 197  df-or 384  df-an 385  df-3an 1074  df-tru 1635  df-ex 1854  df-nf 1859  df-sb 2047  df-eu 2611  df-mo 2612  df-clab 2747  df-cleq 2753  df-clel 2756  df-nfc 2891  df-ne 2933  df-ral 3055  df-rex 3056  df-rab 3059  df-v 3342  df-sbc 3577  df-dif 3718  df-un 3720  df-in 3722  df-ss 3729  df-nul 4059  df-if 4231  df-pw 4304  df-sn 4322  df-pr 4324  df-op 4328  df-uni 4589  df-int 4628  df-br 4805  df-opab 4865  df-mpt 4882  df-id 5174  df-xp 5272  df-rel 5273  df-cnv 5274  df-co 5275  df-dm 5276  df-rn 5277  df-res 5278  df-iota 6012  df-fun 6051  df-fv 6057  df-trcl 13947
This theorem is referenced by:  trclfvlb2  13970  trclfvlb3  13971  cotrtrclfv  13972  trclfvg  13975  dmtrclfv  13978  rntrclfvOAI  37774  brtrclfv2  38539  frege96d  38561  frege91d  38563  frege97d  38564  frege109d  38569  frege131d  38576
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