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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 20517 | . 2 ⊢ (𝑥 ∈ 𝑈 → 𝑥 ∈ 𝐵) |
| 4 | 3 | ssriv 3938 | 1 ⊢ 𝑈 ⊆ 𝐵 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 ⊆ wss 3902 ‘cfv 6537 Basecbs 17305 Unitcui 20497 |
| 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 2215 ax-ext 2734 ax-rep 5236 ax-sep 5255 ax-nul 5267 ax-pow 5334 ax-pr 5402 ax-un 7739 |
| 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 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 3415 df-v 3455 df-sbc 3743 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-nul 4283 df-if 4486 df-pw 4562 df-sn 4588 df-pr 4590 df-op 4594 df-uni 4871 df-iun 4956 df-br 5108 df-opab 5172 df-mpt 5191 df-id 5554 df-xp 5665 df-rel 5666 df-cnv 5667 df-co 5668 df-dm 5669 df-rn 5670 df-res 5671 df-ima 5672 df-iota 6493 df-fun 6539 df-fv 6545 df-ov 7419 df-dvdsr 20499 df-unit 20500 |
| This theorem is used by: unitgrpbas 20524 unitgrpid 20527 unitsubm 20528 dvrdir 20554 rdivmuldivd 20555 invrpropd 20560 elrhmunit 20671 rhmunitinv 20672 isdrng4 20903 fidomndrng 20941 issubdrg 20947 imadrhmcl 20964 znunithash 21778 dvrcn 24411 nmdvr 24897 nrginvrcnlem 24918 nrginvrcn 24919 dchrelbasd 27473 dchrinvcl 27487 dchrghm 27490 dchr1 27491 dchreq 27492 dchrresb 27493 dchrabs 27494 dchrinv 27495 dchrptlem1 27498 dchrptlem2 27499 dchrpt 27501 dchrsum2 27502 dchrsum 27503 sum2dchr 27508 lgsdchr 27589 rpvmasum2 27746 dvrcan5 33662 dvdsruassoi 33804 lidlunitel 33838 assafld 34134 unitscyglem5 43052 aks5lem7 43053 idomodle 44019 |
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