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| Mirrors > Home > ILE Home > Th. List > lmodsn0 | GIF version | ||
| Description: The set of scalars in a left module is nonempty. It is also inhabited, by lmod0cl 14352. (Contributed by NM, 8-Dec-2013.) (Revised by Mario Carneiro, 19-Jun-2014.) |
| Ref | Expression |
|---|---|
| lmodsn0.f | ⊢ 𝐹 = (Scalar‘𝑊) |
| lmodsn0.b | ⊢ 𝐵 = (Base‘𝐹) |
| Ref | Expression |
|---|---|
| lmodsn0 | ⊢ (𝑊 ∈ LMod → 𝐵 ≠ ∅) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | lmodsn0.f | . . 3 ⊢ 𝐹 = (Scalar‘𝑊) | |
| 2 | 1 | lmodfgrp 14334 | . 2 ⊢ (𝑊 ∈ LMod → 𝐹 ∈ Grp) |
| 3 | lmodsn0.b | . . 3 ⊢ 𝐵 = (Base‘𝐹) | |
| 4 | 3 | grpbn0 13636 | . 2 ⊢ (𝐹 ∈ Grp → 𝐵 ≠ ∅) |
| 5 | 2, 4 | syl 14 | 1 ⊢ (𝑊 ∈ LMod → 𝐵 ≠ ∅) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 = wceq 1397 ∈ wcel 2201 ≠ wne 2401 ∅c0 3493 ‘cfv 5328 Basecbs 13105 Scalarcsca 13186 Grpcgrp 13606 LModclmod 14325 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 619 ax-in2 620 ax-io 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-13 2203 ax-14 2204 ax-ext 2212 ax-sep 4208 ax-pow 4266 ax-pr 4301 ax-un 4532 ax-cnex 8128 ax-resscn 8129 ax-1re 8131 ax-addrcl 8134 |
| This theorem depends on definitions: df-bi 117 df-3an 1006 df-tru 1400 df-nf 1509 df-sb 1810 df-eu 2081 df-mo 2082 df-clab 2217 df-cleq 2223 df-clel 2226 df-nfc 2362 df-ne 2402 df-ral 2514 df-rex 2515 df-reu 2516 df-rmo 2517 df-rab 2518 df-v 2803 df-sbc 3031 df-csb 3127 df-dif 3201 df-un 3203 df-in 3205 df-ss 3212 df-nul 3494 df-pw 3655 df-sn 3676 df-pr 3677 df-op 3679 df-uni 3895 df-int 3930 df-br 4090 df-opab 4152 df-mpt 4153 df-id 4392 df-xp 4733 df-rel 4734 df-cnv 4735 df-co 4736 df-dm 4737 df-rn 4738 df-res 4739 df-iota 5288 df-fun 5330 df-fn 5331 df-fv 5336 df-riota 5976 df-ov 6026 df-inn 9149 df-2 9207 df-3 9208 df-4 9209 df-5 9210 df-6 9211 df-ndx 13108 df-slot 13109 df-base 13111 df-plusg 13196 df-mulr 13197 df-sca 13199 df-vsca 13200 df-0g 13364 df-mgm 13462 df-sgrp 13508 df-mnd 13523 df-grp 13609 df-ring 14035 df-lmod 14327 |
| This theorem is referenced by: (None) |
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