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| Mirrors > Home > MPE Home > Th. List > ringidcld | Structured version Visualization version GIF version | ||
| Description: The unity element of a ring belongs to the base set of the ring, deduction version. (Contributed by SN, 16-Oct-2025.) |
| Ref | Expression |
|---|---|
| ringidcl.b | ⊢ 𝐵 = (Base‘𝑅) |
| ringidcl.u | ⊢ 1 = (1r‘𝑅) |
| ringidcld.r | ⊢ (𝜑 → 𝑅 ∈ Ring) |
| Ref | Expression |
|---|---|
| ringidcld | ⊢ (𝜑 → 1 ∈ 𝐵) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ringidcld.r | . 2 ⊢ (𝜑 → 𝑅 ∈ Ring) | |
| 2 | ringidcl.b | . . 3 ⊢ 𝐵 = (Base‘𝑅) | |
| 3 | ringidcl.u | . . 3 ⊢ 1 = (1r‘𝑅) | |
| 4 | 2, 3 | ringidcl 20317 | . 2 ⊢ (𝑅 ∈ Ring → 1 ∈ 𝐵) |
| 5 | 1, 4 | syl 17 | 1 ⊢ (𝜑 → 1 ∈ 𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1562 ∈ wcel 2144 ‘cfv 6523 Basecbs 17247 1rcur 20233 Ringcrg 20285 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1817 ax-4 1831 ax-5 1932 ax-6 1989 ax-7 2030 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2214 ax-ext 2736 ax-sep 5248 ax-nul 5258 ax-pow 5324 ax-pr 5392 ax-un 7720 ax-cnex 11131 ax-resscn 11132 ax-1cn 11133 ax-icn 11134 ax-addcl 11135 ax-addrcl 11136 ax-mulcl 11137 ax-mulrcl 11138 ax-mulcom 11139 ax-addass 11140 ax-mulass 11141 ax-distr 11142 ax-i2m1 11143 ax-1ne0 11144 ax-1rid 11145 ax-rnegex 11146 ax-rrecex 11147 ax-cnre 11148 ax-pre-lttri 11149 ax-pre-lttrn 11150 ax-pre-ltadd 11151 ax-pre-mulgt0 11152 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3or 1100 df-3an 1101 df-tru 1565 df-fal 1575 df-ex 1802 df-nf 1806 df-sb 2093 df-mo 2568 df-eu 2598 df-clab 2743 df-cleq 2756 df-clel 2839 df-nfc 2913 df-ne 2960 df-nel 3064 df-ral 3079 df-rex 3089 df-rmo 3369 df-reu 3370 df-rab 3417 df-v 3458 df-sbc 3747 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-pss 3926 df-nul 4288 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-iun 4953 df-br 5103 df-opab 5165 df-mpt 5184 df-tr 5210 df-id 5544 df-eprel 5549 df-po 5557 df-so 5558 df-fr 5602 df-we 5604 df-xp 5655 df-rel 5656 df-cnv 5657 df-co 5658 df-dm 5659 df-rn 5660 df-res 5661 df-ima 5662 df-pred 6290 df-ord 6351 df-on 6352 df-lim 6353 df-suc 6354 df-iota 6479 df-fun 6525 df-fn 6526 df-f 6527 df-f1 6528 df-fo 6529 df-f1o 6530 df-fv 6531 df-riota 7355 df-ov 7401 df-oprab 7402 df-mpo 7403 df-om 7849 df-2nd 7973 df-frecs 8264 df-wrecs 8295 df-recs 8344 df-rdg 8383 df-er 8680 df-en 8930 df-dom 8931 df-sdom 8932 df-pnf 11220 df-mnf 11221 df-xr 11222 df-ltxr 11223 df-le 11224 df-sub 11418 df-neg 11419 df-nn 12213 df-2 12282 df-sets 17202 df-slot 17220 df-ndx 17232 df-base 17248 df-plusg 17301 df-0g 17472 df-mgm 18676 df-sgrp 18755 df-mnd 18771 df-mgp 20189 df-ur 20234 df-ring 20287 |
| This theorem is referenced by: psdmvr 22236 psdpw 22237 fxpsubrg 33356 ringm1expp1 33416 rlocinvunit 33458 mxidlirredi 33661 dflring2 33691 dflringlem3 33694 dflring3 33695 dflring4 33696 deg1prod 33781 vr1nz 33791 0mplrim 33813 selvply1rhmlem2 33820 mplvrpmrhm 33846 psrmonprod 33851 mplmonprod 33853 esplyfval1 33872 esplyind 33874 vietalem 33878 vieta 33879 |
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