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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 20464 | . 2 ⊢ (𝑥 ∈ 𝑈 → 𝑥 ∈ 𝐵) |
| 4 | 3 | ssriv 3940 | 1 ⊢ 𝑈 ⊆ 𝐵 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1569 ⊆ wss 3904 ‘cfv 6536 Basecbs 17275 Unitcui 20444 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1824 ax-4 1838 ax-5 1939 ax-6 1996 ax-7 2037 ax-8 2144 ax-9 2152 ax-10 2175 ax-11 2191 ax-12 2212 ax-ext 2734 ax-rep 5237 ax-sep 5256 ax-nul 5268 ax-pow 5335 ax-pr 5403 ax-un 7734 |
| This proof depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1104 df-tru 1572 df-fal 1582 df-ex 1809 df-nf 1813 df-sb 2096 df-mo 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-ral 3079 df-rex 3089 df-rab 3416 df-v 3456 df-sbc 3744 df-csb 3853 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-nul 4286 df-if 4487 df-pw 4563 df-sn 4589 df-pr 4591 df-op 4595 df-uni 4872 df-iun 4957 df-br 5109 df-opab 5173 df-mpt 5192 df-id 5555 df-xp 5666 df-rel 5667 df-cnv 5668 df-co 5669 df-dm 5670 df-rn 5671 df-res 5672 df-ima 5673 df-iota 6492 df-fun 6538 df-fv 6544 df-ov 7415 df-dvdsr 20446 df-unit 20447 |
| This theorem is used by: unitgrpbas 20471 unitgrpid 20474 unitsubm 20475 dvrdir 20501 rdivmuldivd 20502 invrpropd 20507 elrhmunit 20618 rhmunitinv 20619 isdrng4 20850 fidomndrng 20888 issubdrg 20894 imadrhmcl 20911 znunithash 21725 dvrcn 24352 nmdvr 24838 nrginvrcnlem 24859 nrginvrcn 24860 dchrelbasd 27414 dchrinvcl 27428 dchrghm 27431 dchr1 27432 dchreq 27433 dchrresb 27434 dchrabs 27435 dchrinv 27436 dchrptlem1 27439 dchrptlem2 27440 dchrpt 27442 dchrsum2 27443 dchrsum 27444 sum2dchr 27449 lgsdchr 27530 rpvmasum2 27687 dvrcan5 33564 dvdsruassoi 33706 lidlunitel 33740 assafld 34036 unitscyglem5 42994 aks5lem7 42995 idomodle 43946 |
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