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Mirrors > Home > HSE Home > Th. List > span0 | Structured version Visualization version GIF version |
Description: The span of the empty set is the zero subspace. Remark 11.6.e of [Schechter] p. 276. (Contributed by NM, 3-Jun-2004.) (New usage is discouraged.) |
Ref | Expression |
---|---|
span0 | ⊢ (span‘∅) = 0ℋ |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | h0elsh 30043 | . . . . 5 ⊢ 0ℋ ∈ Sℋ | |
2 | 1 | shssii 30000 | . . . 4 ⊢ 0ℋ ⊆ ℋ |
3 | 0ss 4354 | . . . 4 ⊢ ∅ ⊆ 0ℋ | |
4 | spanss 30135 | . . . 4 ⊢ ((0ℋ ⊆ ℋ ∧ ∅ ⊆ 0ℋ) → (span‘∅) ⊆ (span‘0ℋ)) | |
5 | 2, 3, 4 | mp2an 690 | . . 3 ⊢ (span‘∅) ⊆ (span‘0ℋ) |
6 | spanid 30134 | . . . 4 ⊢ (0ℋ ∈ Sℋ → (span‘0ℋ) = 0ℋ) | |
7 | 1, 6 | ax-mp 5 | . . 3 ⊢ (span‘0ℋ) = 0ℋ |
8 | 5, 7 | sseqtri 3978 | . 2 ⊢ (span‘∅) ⊆ 0ℋ |
9 | 0ss 4354 | . . . 4 ⊢ ∅ ⊆ ℋ | |
10 | spancl 30123 | . . . 4 ⊢ (∅ ⊆ ℋ → (span‘∅) ∈ Sℋ ) | |
11 | 9, 10 | ax-mp 5 | . . 3 ⊢ (span‘∅) ∈ Sℋ |
12 | sh0le 30227 | . . 3 ⊢ ((span‘∅) ∈ Sℋ → 0ℋ ⊆ (span‘∅)) | |
13 | 11, 12 | ax-mp 5 | . 2 ⊢ 0ℋ ⊆ (span‘∅) |
14 | 8, 13 | eqssi 3958 | 1 ⊢ (span‘∅) = 0ℋ |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1541 ∈ wcel 2106 ⊆ wss 3908 ∅c0 4280 ‘cfv 6493 ℋchba 29706 Sℋ csh 29715 spancspn 29719 0ℋc0h 29722 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2707 ax-rep 5240 ax-sep 5254 ax-nul 5261 ax-pow 5318 ax-pr 5382 ax-un 7664 ax-cnex 11065 ax-resscn 11066 ax-1cn 11067 ax-icn 11068 ax-addcl 11069 ax-addrcl 11070 ax-mulcl 11071 ax-mulrcl 11072 ax-mulcom 11073 ax-addass 11074 ax-mulass 11075 ax-distr 11076 ax-i2m1 11077 ax-1ne0 11078 ax-1rid 11079 ax-rnegex 11080 ax-rrecex 11081 ax-cnre 11082 ax-pre-lttri 11083 ax-pre-lttrn 11084 ax-pre-ltadd 11085 ax-pre-mulgt0 11086 ax-pre-sup 11087 ax-addf 11088 ax-mulf 11089 ax-hilex 29786 ax-hfvadd 29787 ax-hvcom 29788 ax-hvass 29789 ax-hv0cl 29790 ax-hvaddid 29791 ax-hfvmul 29792 ax-hvmulid 29793 ax-hvmulass 29794 ax-hvdistr1 29795 ax-hvdistr2 29796 ax-hvmul0 29797 ax-hfi 29866 ax-his1 29869 ax-his2 29870 ax-his3 29871 ax-his4 29872 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 846 df-3or 1088 df-3an 1089 df-tru 1544 df-fal 1554 df-ex 1782 df-nf 1786 df-sb 2068 df-mo 2538 df-eu 2567 df-clab 2714 df-cleq 2728 df-clel 2814 df-nfc 2887 df-ne 2942 df-nel 3048 df-ral 3063 df-rex 3072 df-rmo 3351 df-reu 3352 df-rab 3406 df-v 3445 df-sbc 3738 df-csb 3854 df-dif 3911 df-un 3913 df-in 3915 df-ss 3925 df-pss 3927 df-nul 4281 df-if 4485 df-pw 4560 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4864 df-int 4906 df-iun 4954 df-br 5104 df-opab 5166 df-mpt 5187 df-tr 5221 df-id 5529 df-eprel 5535 df-po 5543 df-so 5544 df-fr 5586 df-we 5588 df-xp 5637 df-rel 5638 df-cnv 5639 df-co 5640 df-dm 5641 df-rn 5642 df-res 5643 df-ima 5644 df-pred 6251 df-ord 6318 df-on 6319 df-lim 6320 df-suc 6321 df-iota 6445 df-fun 6495 df-fn 6496 df-f 6497 df-f1 6498 df-fo 6499 df-f1o 6500 df-fv 6501 df-riota 7307 df-ov 7354 df-oprab 7355 df-mpo 7356 df-om 7795 df-1st 7913 df-2nd 7914 df-frecs 8204 df-wrecs 8235 df-recs 8309 df-rdg 8348 df-er 8606 df-map 8725 df-pm 8726 df-en 8842 df-dom 8843 df-sdom 8844 df-sup 9336 df-inf 9337 df-pnf 11149 df-mnf 11150 df-xr 11151 df-ltxr 11152 df-le 11153 df-sub 11345 df-neg 11346 df-div 11771 df-nn 12112 df-2 12174 df-3 12175 df-4 12176 df-n0 12372 df-z 12458 df-uz 12722 df-q 12828 df-rp 12870 df-xneg 12987 df-xadd 12988 df-xmul 12989 df-icc 13225 df-seq 13861 df-exp 13922 df-cj 14938 df-re 14939 df-im 14940 df-sqrt 15074 df-abs 15075 df-topgen 17279 df-psmet 20735 df-xmet 20736 df-met 20737 df-bl 20738 df-mopn 20739 df-top 22189 df-topon 22206 df-bases 22242 df-lm 22526 df-haus 22612 df-grpo 29280 df-gid 29281 df-ginv 29282 df-gdiv 29283 df-ablo 29332 df-vc 29346 df-nv 29379 df-va 29382 df-ba 29383 df-sm 29384 df-0v 29385 df-vs 29386 df-nmcv 29387 df-ims 29388 df-hnorm 29755 df-hvsub 29758 df-hlim 29759 df-sh 29994 df-ch 30008 df-ch0 30040 df-span 30096 |
This theorem is referenced by: (None) |
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