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| Mirrors > Home > ILE Home > Th. List > lsp0 | GIF version | ||
| Description: Span of the empty set. (Contributed by Mario Carneiro, 5-Sep-2014.) |
| Ref | Expression |
|---|---|
| lspsn0.z | ⊢ 0 = (0g‘𝑊) |
| lspsn0.n | ⊢ 𝑁 = (LSpan‘𝑊) |
| Ref | Expression |
|---|---|
| lsp0 | ⊢ (𝑊 ∈ LMod → (𝑁‘∅) = { 0 }) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | lspsn0.z | . . . 4 ⊢ 0 = (0g‘𝑊) | |
| 2 | eqid 2231 | . . . 4 ⊢ (LSubSp‘𝑊) = (LSubSp‘𝑊) | |
| 3 | 1, 2 | lsssn0 14387 | . . 3 ⊢ (𝑊 ∈ LMod → { 0 } ∈ (LSubSp‘𝑊)) |
| 4 | 0ss 3533 | . . . 4 ⊢ ∅ ⊆ { 0 } | |
| 5 | lspsn0.n | . . . . 5 ⊢ 𝑁 = (LSpan‘𝑊) | |
| 6 | 2, 5 | lspssp 14420 | . . . 4 ⊢ ((𝑊 ∈ LMod ∧ { 0 } ∈ (LSubSp‘𝑊) ∧ ∅ ⊆ { 0 }) → (𝑁‘∅) ⊆ { 0 }) |
| 7 | 4, 6 | mp3an3 1362 | . . 3 ⊢ ((𝑊 ∈ LMod ∧ { 0 } ∈ (LSubSp‘𝑊)) → (𝑁‘∅) ⊆ { 0 }) |
| 8 | 3, 7 | mpdan 421 | . 2 ⊢ (𝑊 ∈ LMod → (𝑁‘∅) ⊆ { 0 }) |
| 9 | 0ss 3533 | . . . 4 ⊢ ∅ ⊆ (Base‘𝑊) | |
| 10 | eqid 2231 | . . . . 5 ⊢ (Base‘𝑊) = (Base‘𝑊) | |
| 11 | 10, 2, 5 | lspcl 14408 | . . . 4 ⊢ ((𝑊 ∈ LMod ∧ ∅ ⊆ (Base‘𝑊)) → (𝑁‘∅) ∈ (LSubSp‘𝑊)) |
| 12 | 9, 11 | mpan2 425 | . . 3 ⊢ (𝑊 ∈ LMod → (𝑁‘∅) ∈ (LSubSp‘𝑊)) |
| 13 | 1, 2 | lss0ss 14388 | . . 3 ⊢ ((𝑊 ∈ LMod ∧ (𝑁‘∅) ∈ (LSubSp‘𝑊)) → { 0 } ⊆ (𝑁‘∅)) |
| 14 | 12, 13 | mpdan 421 | . 2 ⊢ (𝑊 ∈ LMod → { 0 } ⊆ (𝑁‘∅)) |
| 15 | 8, 14 | eqssd 3244 | 1 ⊢ (𝑊 ∈ LMod → (𝑁‘∅) = { 0 }) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 = wceq 1397 ∈ wcel 2202 ⊆ wss 3200 ∅c0 3494 {csn 3669 ‘cfv 5326 Basecbs 13084 0gc0g 13341 LModclmod 14304 LSubSpclss 14369 LSpanclspn 14403 |
| 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 2204 ax-14 2205 ax-ext 2213 ax-coll 4204 ax-sep 4207 ax-pow 4264 ax-pr 4299 ax-un 4530 ax-setind 4635 ax-cnex 8123 ax-resscn 8124 ax-1cn 8125 ax-1re 8126 ax-icn 8127 ax-addcl 8128 ax-addrcl 8129 ax-mulcl 8130 ax-addcom 8132 ax-addass 8134 ax-i2m1 8137 ax-0lt1 8138 ax-0id 8140 ax-rnegex 8141 ax-pre-ltirr 8144 ax-pre-ltadd 8148 |
| This theorem depends on definitions: df-bi 117 df-3an 1006 df-tru 1400 df-fal 1403 df-nf 1509 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2363 df-ne 2403 df-nel 2498 df-ral 2515 df-rex 2516 df-reu 2517 df-rmo 2518 df-rab 2519 df-v 2804 df-sbc 3032 df-csb 3128 df-dif 3202 df-un 3204 df-in 3206 df-ss 3213 df-nul 3495 df-pw 3654 df-sn 3675 df-pr 3676 df-op 3678 df-uni 3894 df-int 3929 df-iun 3972 df-br 4089 df-opab 4151 df-mpt 4152 df-id 4390 df-xp 4731 df-rel 4732 df-cnv 4733 df-co 4734 df-dm 4735 df-rn 4736 df-res 4737 df-ima 4738 df-iota 5286 df-fun 5328 df-fn 5329 df-f 5330 df-f1 5331 df-fo 5332 df-f1o 5333 df-fv 5334 df-riota 5971 df-ov 6021 df-oprab 6022 df-mpo 6023 df-1st 6303 df-2nd 6304 df-pnf 8216 df-mnf 8217 df-ltxr 8219 df-inn 9144 df-2 9202 df-3 9203 df-4 9204 df-5 9205 df-6 9206 df-ndx 13087 df-slot 13088 df-base 13090 df-sets 13091 df-plusg 13175 df-mulr 13176 df-sca 13178 df-vsca 13179 df-0g 13343 df-mgm 13441 df-sgrp 13487 df-mnd 13502 df-grp 13588 df-minusg 13589 df-sbg 13590 df-mgp 13937 df-ur 13976 df-ring 14014 df-lmod 14306 df-lssm 14370 df-lsp 14404 |
| This theorem is referenced by: lspuni0 14441 lss0v 14447 |
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