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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 29033 | . . . . 5 ⊢ 0ℋ ∈ Sℋ | |
2 | 1 | shssii 28990 | . . . 4 ⊢ 0ℋ ⊆ ℋ |
3 | 0ss 4350 | . . . 4 ⊢ ∅ ⊆ 0ℋ | |
4 | spanss 29125 | . . . 4 ⊢ ((0ℋ ⊆ ℋ ∧ ∅ ⊆ 0ℋ) → (span‘∅) ⊆ (span‘0ℋ)) | |
5 | 2, 3, 4 | mp2an 690 | . . 3 ⊢ (span‘∅) ⊆ (span‘0ℋ) |
6 | spanid 29124 | . . . 4 ⊢ (0ℋ ∈ Sℋ → (span‘0ℋ) = 0ℋ) | |
7 | 1, 6 | ax-mp 5 | . . 3 ⊢ (span‘0ℋ) = 0ℋ |
8 | 5, 7 | sseqtri 4003 | . 2 ⊢ (span‘∅) ⊆ 0ℋ |
9 | 0ss 4350 | . . . 4 ⊢ ∅ ⊆ ℋ | |
10 | spancl 29113 | . . . 4 ⊢ (∅ ⊆ ℋ → (span‘∅) ∈ Sℋ ) | |
11 | 9, 10 | ax-mp 5 | . . 3 ⊢ (span‘∅) ∈ Sℋ |
12 | sh0le 29217 | . . 3 ⊢ ((span‘∅) ∈ Sℋ → 0ℋ ⊆ (span‘∅)) | |
13 | 11, 12 | ax-mp 5 | . 2 ⊢ 0ℋ ⊆ (span‘∅) |
14 | 8, 13 | eqssi 3983 | 1 ⊢ (span‘∅) = 0ℋ |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1537 ∈ wcel 2114 ⊆ wss 3936 ∅c0 4291 ‘cfv 6355 ℋchba 28696 Sℋ csh 28705 spancspn 28709 0ℋc0h 28712 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2793 ax-rep 5190 ax-sep 5203 ax-nul 5210 ax-pow 5266 ax-pr 5330 ax-un 7461 ax-cnex 10593 ax-resscn 10594 ax-1cn 10595 ax-icn 10596 ax-addcl 10597 ax-addrcl 10598 ax-mulcl 10599 ax-mulrcl 10600 ax-mulcom 10601 ax-addass 10602 ax-mulass 10603 ax-distr 10604 ax-i2m1 10605 ax-1ne0 10606 ax-1rid 10607 ax-rnegex 10608 ax-rrecex 10609 ax-cnre 10610 ax-pre-lttri 10611 ax-pre-lttrn 10612 ax-pre-ltadd 10613 ax-pre-mulgt0 10614 ax-pre-sup 10615 ax-addf 10616 ax-mulf 10617 ax-hilex 28776 ax-hfvadd 28777 ax-hvcom 28778 ax-hvass 28779 ax-hv0cl 28780 ax-hvaddid 28781 ax-hfvmul 28782 ax-hvmulid 28783 ax-hvmulass 28784 ax-hvdistr1 28785 ax-hvdistr2 28786 ax-hvmul0 28787 ax-hfi 28856 ax-his1 28859 ax-his2 28860 ax-his3 28861 ax-his4 28862 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-mo 2622 df-eu 2654 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ne 3017 df-nel 3124 df-ral 3143 df-rex 3144 df-reu 3145 df-rmo 3146 df-rab 3147 df-v 3496 df-sbc 3773 df-csb 3884 df-dif 3939 df-un 3941 df-in 3943 df-ss 3952 df-pss 3954 df-nul 4292 df-if 4468 df-pw 4541 df-sn 4568 df-pr 4570 df-tp 4572 df-op 4574 df-uni 4839 df-int 4877 df-iun 4921 df-br 5067 df-opab 5129 df-mpt 5147 df-tr 5173 df-id 5460 df-eprel 5465 df-po 5474 df-so 5475 df-fr 5514 df-we 5516 df-xp 5561 df-rel 5562 df-cnv 5563 df-co 5564 df-dm 5565 df-rn 5566 df-res 5567 df-ima 5568 df-pred 6148 df-ord 6194 df-on 6195 df-lim 6196 df-suc 6197 df-iota 6314 df-fun 6357 df-fn 6358 df-f 6359 df-f1 6360 df-fo 6361 df-f1o 6362 df-fv 6363 df-riota 7114 df-ov 7159 df-oprab 7160 df-mpo 7161 df-om 7581 df-1st 7689 df-2nd 7690 df-wrecs 7947 df-recs 8008 df-rdg 8046 df-er 8289 df-map 8408 df-pm 8409 df-en 8510 df-dom 8511 df-sdom 8512 df-sup 8906 df-inf 8907 df-pnf 10677 df-mnf 10678 df-xr 10679 df-ltxr 10680 df-le 10681 df-sub 10872 df-neg 10873 df-div 11298 df-nn 11639 df-2 11701 df-3 11702 df-4 11703 df-n0 11899 df-z 11983 df-uz 12245 df-q 12350 df-rp 12391 df-xneg 12508 df-xadd 12509 df-xmul 12510 df-icc 12746 df-seq 13371 df-exp 13431 df-cj 14458 df-re 14459 df-im 14460 df-sqrt 14594 df-abs 14595 df-topgen 16717 df-psmet 20537 df-xmet 20538 df-met 20539 df-bl 20540 df-mopn 20541 df-top 21502 df-topon 21519 df-bases 21554 df-lm 21837 df-haus 21923 df-grpo 28270 df-gid 28271 df-ginv 28272 df-gdiv 28273 df-ablo 28322 df-vc 28336 df-nv 28369 df-va 28372 df-ba 28373 df-sm 28374 df-0v 28375 df-vs 28376 df-nmcv 28377 df-ims 28378 df-hnorm 28745 df-hvsub 28748 df-hlim 28749 df-sh 28984 df-ch 28998 df-ch0 29030 df-span 29086 |
This theorem is referenced by: (None) |
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