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| Mirrors > Home > MPE Home > Th. List > rrgss | Structured version Visualization version GIF version | ||
| Description: Left-regular elements are a subset of the base set. (Contributed by Stefan O'Rear, 22-Mar-2015.) |
| Ref | Expression |
|---|---|
| rrgss.e | ⊢ 𝐸 = (RLReg‘𝑅) |
| rrgss.b | ⊢ 𝐵 = (Base‘𝑅) |
| Ref | Expression |
|---|---|
| rrgss | ⊢ 𝐸 ⊆ 𝐵 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | rrgss.e | . . 3 ⊢ 𝐸 = (RLReg‘𝑅) | |
| 2 | rrgss.b | . . 3 ⊢ 𝐵 = (Base‘𝑅) | |
| 3 | eqid 2760 | . . 3 ⊢ (.r‘𝑅) = (.r‘𝑅) | |
| 4 | eqid 2760 | . . 3 ⊢ (0g‘𝑅) = (0g‘𝑅) | |
| 5 | 1, 2, 3, 4 | rrgval 20949 | . 2 ⊢ 𝐸 = {𝑥 ∈ 𝐵 ∣ ∀𝑦 ∈ 𝐵 ((𝑥(.r‘𝑅)𝑦) = (0g‘𝑅) → 𝑦 = (0g‘𝑅))} |
| 6 | 5 | ssrab3 4007 | 1 ⊢ 𝐸 ⊆ 𝐵 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1569 ∀wral 3076 ⊆ wss 3895 ‘cfv 6538 (class class class)co 7420 Basecbs 17387 .rcmulr 17429 0gc0g 17610 RLRegcrlreg 20943 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-sep 5248 ax-nul 5259 ax-pr 5390 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-ral 3077 df-rex 3087 df-rab 3413 df-v 3452 df-ss 3896 df-dif 4047 df-in 4091 df-un 4151 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4584 df-pr 4586 df-op 4590 df-uni 4867 df-br 5103 df-opab 5167 df-mpt 5186 df-id 5545 df-xp 5656 df-rel 5657 df-cnv 5658 df-co 5659 df-dm 5660 df-iota 6494 df-fun 6540 df-fv 6546 df-ov 7423 df-rlreg 20946 |
| This theorem is used by: isdomn6 20965 znrrg 21871 mdegvsca 26394 deg1mul3 26434 rrgsubm 33845 fracbas 33867 fracerl 33868 fracfld 33870 assalactf1o 34267 assarrginv 34268 |
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