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Mirrors > Home > MPE Home > Th. List > isfld | Structured version Visualization version GIF version |
Description: A field is a commutative division ring. (Contributed by Mario Carneiro, 17-Jun-2015.) |
Ref | Expression |
---|---|
isfld | ⊢ (𝑅 ∈ Field ↔ (𝑅 ∈ DivRing ∧ 𝑅 ∈ CRing)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-field 19498 | . 2 ⊢ Field = (DivRing ∩ CRing) | |
2 | 1 | elin2 4124 | 1 ⊢ (𝑅 ∈ Field ↔ (𝑅 ∈ DivRing ∧ 𝑅 ∈ CRing)) |
Colors of variables: wff setvar class |
Syntax hints: ↔ wb 209 ∧ wa 399 ∈ wcel 2111 CRingccrg 19291 DivRingcdr 19495 Fieldcfield 19496 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-ext 2770 |
This theorem depends on definitions: df-bi 210 df-an 400 df-ex 1782 df-sb 2070 df-clab 2777 df-cleq 2791 df-clel 2870 df-v 3443 df-in 3888 df-field 19498 |
This theorem is referenced by: fldpropd 19523 primefld 19577 rng1nfld 20044 fldidom 20071 fiidomfld 20074 refld 20308 recrng 20310 frlmphllem 20469 frlmphl 20470 rrxcph 23996 rrx0 24001 ply1pid 24780 lgseisenlem3 25961 lgseisenlem4 25962 ofldlt1 30937 ofldchr 30938 subofld 30940 isarchiofld 30941 reofld 30964 rearchi 30966 srafldlvec 31079 rgmoddim 31096 ccfldextrr 31126 fldextsralvec 31133 extdgcl 31134 extdggt0 31135 fldextid 31137 extdgmul 31139 extdg1id 31141 ccfldsrarelvec 31144 qqhrhm 31340 matunitlindflem1 35053 matunitlindflem2 35054 matunitlindf 35055 fldcat 44706 fldcatALTV 44724 |
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