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| Mirrors > Home > MPE Home > Th. List > isidom | Structured version Visualization version GIF version | ||
| Description: An integral domain is a commutative domain. (Contributed by Mario Carneiro, 17-Jun-2015.) |
| Ref | Expression |
|---|---|
| isidom | ⊢ (𝑅 ∈ IDomn ↔ (𝑅 ∈ CRing ∧ 𝑅 ∈ Domn)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-idom 20957 | . 2 ⊢ IDomn = (CRing ∩ Domn) | |
| 2 | 1 | elin2 4099 | 1 ⊢ (𝑅 ∈ IDomn ↔ (𝑅 ∈ CRing ∧ 𝑅 ∈ Domn)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ↔ wb 209 ∧ wa 401 ∈ wcel 2144 CRingccrg 20469 Domncdomn 20953 IDomncidom 20954 |
| 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-ext 2732 |
| This proof depends on definitions: df-bi 210 df-an 402 df-tru 1572 df-ex 1812 df-sb 2099 df-clab 2739 df-cleq 2752 df-clel 2835 df-v 3452 df-in 4090 df-idom 20957 |
| This theorem is used by: fldidom 21038 fiidomfld 21041 qsidomlem1 21645 qsidomlem2 21646 znfld 21875 znidomb 21876 ply1idom 26452 fta1glem1 26495 fta1glem2 26496 fta1g 26497 fta1b 26499 idomrootle 26500 lgsqrlem1 27682 lgsqrlem2 27683 lgsqrlem3 27684 lgsqrlem4 27685 idompropd 33892 subridom 33897 dvdsruasso 33990 zringidom 34133 mplidomlem 34209 idomnnzpownz 43319 idomnnzgmulnz 43320 aks6d1c5lem3 43324 aks6d1c5lem2 43325 deg1gprod 43327 deg1pow 43328 idomodle 44330 proot1mul 44333 proot1hash 44334 crngprmringdom 49575 idomcanl 49580 idomcanr 49581 |
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