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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 20566 | . 2 ⊢ (𝑥 ∈ 𝑈 → 𝑥 ∈ 𝐵) |
| 4 | 3 | ssriv 3934 | 1 ⊢ 𝑈 ⊆ 𝐵 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 ⊆ wss 3898 ‘cfv 6527 Basecbs 17348 Unitcui 20546 |
| 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 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2732 ax-rep 5231 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7734 |
| 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 2100 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-sbc 3739 df-csb 3847 df-dif 3901 df-un 3903 df-in 3905 df-ss 3915 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4584 df-pr 4586 df-op 4590 df-uni 4867 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-id 5542 df-xp 5653 df-rel 5654 df-cnv 5655 df-co 5656 df-dm 5657 df-rn 5658 df-res 5659 df-ima 5660 df-iota 6483 df-fun 6529 df-fv 6535 df-ov 7411 df-dvdsr 20548 df-unit 20549 |
| This theorem is used by: unitgrpbas 20573 unitgrpid 20576 unitsubm 20577 dvrdir 20603 rdivmuldivd 20604 invrpropd 20609 elrhmunit 20721 rhmunitinv 20722 isdrng4 20953 fidomndrng 20992 issubdrg 20998 imadrhmcl 21015 znunithash 21831 dvrcn 24464 nmdvr 24950 nrginvrcnlem 24971 nrginvrcn 24972 dchrelbasd 27529 dchrinvcl 27543 dchrghm 27546 dchr1 27547 dchreq 27548 dchrresb 27549 dchrabs 27550 dchrinv 27551 dchrptlem1 27554 dchrptlem2 27555 dchrpt 27557 dchrsum2 27558 dchrsum 27559 sum2dchr 27564 lgsdchr 27645 rpvmasum2 27802 dvrcan5 33729 dvdsruassoi 33872 lidlunitel 33906 assafld 34202 unitscyglem5 43169 aks5lem7 43170 idomodle 44136 |
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