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Mirrors > Home > MPE Home > Th. List > trclfvlb | Structured version Visualization version GIF version |
Description: The transitive closure of a relation has a lower bound. (Contributed by RP, 28-Apr-2020.) |
Ref | Expression |
---|---|
trclfvlb | ⊢ (𝑅 ∈ 𝑉 → 𝑅 ⊆ (t+‘𝑅)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ssmin 4762 | . 2 ⊢ 𝑅 ⊆ ∩ {𝑟 ∣ (𝑅 ⊆ 𝑟 ∧ (𝑟 ∘ 𝑟) ⊆ 𝑟)} | |
2 | trclfv 14211 | . 2 ⊢ (𝑅 ∈ 𝑉 → (t+‘𝑅) = ∩ {𝑟 ∣ (𝑅 ⊆ 𝑟 ∧ (𝑟 ∘ 𝑟) ⊆ 𝑟)}) | |
3 | 1, 2 | syl5sseqr 3906 | 1 ⊢ (𝑅 ∈ 𝑉 → 𝑅 ⊆ (t+‘𝑅)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 387 ∈ wcel 2048 {cab 2753 ⊆ wss 3825 ∩ cint 4743 ∘ ccom 5404 ‘cfv 6182 t+ctcl 14196 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1758 ax-4 1772 ax-5 1869 ax-6 1928 ax-7 1964 ax-8 2050 ax-9 2057 ax-10 2077 ax-11 2091 ax-12 2104 ax-13 2299 ax-ext 2745 ax-sep 5054 ax-nul 5061 ax-pow 5113 ax-pr 5180 ax-un 7273 |
This theorem depends on definitions: df-bi 199 df-an 388 df-or 834 df-3an 1070 df-tru 1510 df-ex 1743 df-nf 1747 df-sb 2014 df-mo 2544 df-eu 2580 df-clab 2754 df-cleq 2765 df-clel 2840 df-nfc 2912 df-ne 2962 df-ral 3087 df-rex 3088 df-rab 3091 df-v 3411 df-sbc 3678 df-dif 3828 df-un 3830 df-in 3832 df-ss 3839 df-nul 4174 df-if 4345 df-pw 4418 df-sn 4436 df-pr 4438 df-op 4442 df-uni 4707 df-int 4744 df-br 4924 df-opab 4986 df-mpt 5003 df-id 5305 df-xp 5406 df-rel 5407 df-cnv 5408 df-co 5409 df-dm 5410 df-rn 5411 df-res 5412 df-iota 6146 df-fun 6184 df-fv 6190 df-trcl 14198 |
This theorem is referenced by: trclfvlb2 14221 trclfvlb3 14222 cotrtrclfv 14223 trclfvg 14226 dmtrclfv 14229 rntrclfvOAI 38628 brtrclfv2 39380 frege96d 39402 frege91d 39404 frege97d 39405 frege109d 39410 frege131d 39417 |
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