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| Mirrors > Home > MPE Home > Th. List > unitss | Structured version Visualization version GIF version | ||
| Description: The set of units is contained in the base set. (Contributed by Mario Carneiro, 5-Oct-2015.) |
| Ref | Expression |
|---|---|
| unitcl.1 | ⊢ 𝐵 = (Base‘𝑅) |
| unitcl.2 | ⊢ 𝑈 = (Unit‘𝑅) |
| Ref | Expression |
|---|---|
| unitss | ⊢ 𝑈 ⊆ 𝐵 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | unitcl.1 | . . 3 ⊢ 𝐵 = (Base‘𝑅) | |
| 2 | unitcl.2 | . . 3 ⊢ 𝑈 = (Unit‘𝑅) | |
| 3 | 1, 2 | unitcl 20635 | . 2 ⊢ (𝑥 ∈ 𝑈 → 𝑥 ∈ 𝐵) |
| 4 | 3 | ssriv 3917 | 1 ⊢ 𝑈 ⊆ 𝐵 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 ⊆ wss 3900 ‘cfv 6558 Basecbs 17416 Unitcui 20615 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-rep 5235 ax-sep 5252 ax-nul 5263 ax-pow 5331 ax-pr 5395 ax-un 7775 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-ral 3081 df-rex 3091 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-op 4839 df-uni 4871 df-iun 4956 df-br 5107 df-opab 5171 df-mpt 5190 df-id 5550 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-iota 6512 df-fun 6560 df-fv 6566 df-ov 7446 df-dvdsr 20617 df-unit 20618 |
| This theorem is used by: unitgrpbas 20642 unitgrpid 20645 unitsubm 20646 dvrdir 20672 rdivmuldivd 20673 invrpropd 20678 elrhmunit 20790 rhmunitinv 20791 isdrng4 21022 fidomndrng 21061 issubdrg 21067 imadrhmcl 21084 znunithash 21900 dvrcn 24533 nmdvr 25019 nrginvrcnlem 25040 nrginvrcn 25041 dchrelbasd 27596 dchrinvcl 27610 dchrghm 27613 dchr1 27614 dchreq 27615 dchrresb 27616 dchrabs 27617 dchrinv 27618 dchrptlem1 27621 dchrptlem2 27622 dchrpt 27624 dchrsum2 27625 dchrsum 27626 sum2dchr 27631 lgsdchr 27712 rpvmasum2 27869 dvrcan5 33866 dvdsruassoi 34009 lidlunitel 34043 assafld 34339 unitscyglem5 43441 aks5lem7 43442 idomodle 44385 |
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