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| Mirrors > Home > MPE Home > Th. List > Mathboxes > eqvrelcoss | Structured version Visualization version GIF version | ||
| Description: Two ways to express equivalent cosets. (Contributed by Peter Mazsa, 4-Jul-2020.) (Revised by Peter Mazsa, 20-Dec-2021.) |
| Ref | Expression |
|---|---|
| eqvrelcoss | ⊢ ( EqvRel ≀ 𝑅 ↔ TrRel ≀ 𝑅) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-eqvrel 38621 | . 2 ⊢ ( EqvRel ≀ 𝑅 ↔ ( RefRel ≀ 𝑅 ∧ SymRel ≀ 𝑅 ∧ TrRel ≀ 𝑅)) | |
| 2 | refrelcoss 38559 | . . 3 ⊢ RefRel ≀ 𝑅 | |
| 3 | symrelcoss 38596 | . . 3 ⊢ SymRel ≀ 𝑅 | |
| 4 | 2, 3 | triantru3 38263 | . 2 ⊢ ( TrRel ≀ 𝑅 ↔ ( RefRel ≀ 𝑅 ∧ SymRel ≀ 𝑅 ∧ TrRel ≀ 𝑅)) |
| 5 | 1, 4 | bitr4i 278 | 1 ⊢ ( EqvRel ≀ 𝑅 ↔ TrRel ≀ 𝑅) |
| Colors of variables: wff setvar class |
| Syntax hints: ↔ wb 206 ∧ w3a 1086 ≀ ccoss 38214 RefRel wrefrel 38220 SymRel wsymrel 38226 TrRel wtrrel 38229 EqvRel weqvrel 38231 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2113 ax-9 2121 ax-11 2160 ax-ext 2703 ax-sep 5234 ax-nul 5244 ax-pr 5370 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-sb 2068 df-clab 2710 df-cleq 2723 df-clel 2806 df-ral 3048 df-rex 3057 df-rab 3396 df-v 3438 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-nul 4284 df-if 4476 df-sn 4577 df-pr 4579 df-op 4583 df-br 5092 df-opab 5154 df-id 5511 df-xp 5622 df-rel 5623 df-cnv 5624 df-co 5625 df-dm 5626 df-rn 5627 df-res 5628 df-coss 38447 df-refrel 38548 df-symrel 38580 df-eqvrel 38621 |
| This theorem is referenced by: (None) |
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