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| Mirrors > Home > HSE Home > Th. List > shsval3i | Structured version Visualization version GIF version | ||
| Description: An alternate way to express subspace sum. (Contributed by NM, 25-Nov-2004.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| shlesb1.1 | ⊢ 𝐴 ∈ Sℋ |
| shlesb1.2 | ⊢ 𝐵 ∈ Sℋ |
| Ref | Expression |
|---|---|
| shsval3i | ⊢ (𝐴 +ℋ 𝐵) = (span‘(𝐴 ∪ 𝐵)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | shlesb1.1 | . . 3 ⊢ 𝐴 ∈ Sℋ | |
| 2 | shlesb1.2 | . . 3 ⊢ 𝐵 ∈ Sℋ | |
| 3 | 1, 2 | shsval2i 31922 | . 2 ⊢ (𝐴 +ℋ 𝐵) = ∩ {𝑥 ∈ Sℋ ∣ (𝐴 ∪ 𝐵) ⊆ 𝑥} |
| 4 | 1 | shssii 31748 | . . . 4 ⊢ 𝐴 ⊆ ℋ |
| 5 | 2 | shssii 31748 | . . . 4 ⊢ 𝐵 ⊆ ℋ |
| 6 | 4, 5 | unssi 4136 | . . 3 ⊢ (𝐴 ∪ 𝐵) ⊆ ℋ |
| 7 | spanval 31868 | . . 3 ⊢ ((𝐴 ∪ 𝐵) ⊆ ℋ → (span‘(𝐴 ∪ 𝐵)) = ∩ {𝑥 ∈ Sℋ ∣ (𝐴 ∪ 𝐵) ⊆ 𝑥}) | |
| 8 | 6, 7 | ax-mp 5 | . 2 ⊢ (span‘(𝐴 ∪ 𝐵)) = ∩ {𝑥 ∈ Sℋ ∣ (𝐴 ∪ 𝐵) ⊆ 𝑥} |
| 9 | 3, 8 | eqtr4i 2786 | 1 ⊢ (𝐴 +ℋ 𝐵) = (span‘(𝐴 ∪ 𝐵)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 ∈ wcel 2145 {crab 3412 ∪ cun 3896 ⊆ wss 3898 ∩ cint 4906 ‘cfv 6527 (class class class)co 7408 ℋchba 31454 Sℋ csh 31463 +ℋ cph 31466 spancspn 31467 |
| 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 2213 ax-ext 2732 ax-rep 5231 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7734 ax-cnex 11227 ax-resscn 11228 ax-1cn 11229 ax-icn 11230 ax-addcl 11231 ax-addrcl 11232 ax-mulcl 11233 ax-mulrcl 11234 ax-mulcom 11235 ax-addass 11236 ax-mulass 11237 ax-distr 11238 ax-i2m1 11239 ax-1ne0 11240 ax-1rid 11241 ax-rnegex 11242 ax-rrecex 11243 ax-cnre 11244 ax-pre-lttri 11245 ax-pre-lttrn 11246 ax-pre-ltadd 11247 ax-pre-mulgt0 11248 ax-pre-sup 11249 ax-addf 11250 ax-mulf 11251 ax-hilex 31534 ax-hfvadd 31535 ax-hvcom 31536 ax-hvass 31537 ax-hv0cl 31538 ax-hvaddid 31539 ax-hfvmul 31540 ax-hvmulid 31541 ax-hvmulass 31542 ax-hvdistr1 31543 ax-hvdistr2 31544 ax-hvmul0 31545 ax-hfi 31614 ax-his1 31617 ax-his2 31618 ax-his3 31619 ax-his4 31620 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-rmo 3365 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3847 df-dif 3901 df-un 3903 df-in 3905 df-ss 3915 df-pss 3918 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4584 df-pr 4586 df-op 4590 df-uni 4867 df-int 4907 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5542 df-eprel 5547 df-po 5555 df-so 5556 df-fr 5600 df-we 5602 df-xp 5653 df-rel 5654 df-cnv 5655 df-co 5656 df-dm 5657 df-rn 5658 df-res 5659 df-ima 5660 df-pred 6293 df-ord 6354 df-on 6355 df-lim 6356 df-suc 6357 df-iota 6483 df-fun 6529 df-fn 6530 df-f 6531 df-f1 6532 df-fo 6533 df-f1o 6534 df-fv 6535 df-riota 7365 df-ov 7411 df-oprab 7412 df-mpo 7413 df-om 7861 df-1st 7984 df-2nd 7985 df-frecs 8277 df-wrecs 8308 df-recs 8357 df-rdg 8396 df-er 8695 df-map 8827 df-pm 8828 df-en 8952 df-dom 8953 df-sdom 8954 df-sup 9412 df-inf 9413 df-pnf 11316 df-mnf 11317 df-xr 11318 df-ltxr 11319 df-le 11320 df-sub 11514 df-neg 11515 df-div 11943 df-nn 12305 df-2 12374 df-3 12375 df-4 12376 df-n0 12576 df-z 12663 df-uz 12935 df-q 13045 df-rp 13090 df-xneg 13210 df-xadd 13211 df-xmul 13212 df-icc 13452 df-seq 14113 df-exp 14173 df-cj 15233 df-re 15234 df-im 15235 df-sqrt 15369 df-abs 15370 df-topgen 17575 df-psmet 21631 df-xmet 21632 df-met 21633 df-bl 21634 df-mopn 21635 df-top 23173 df-topon 23190 df-bases 23225 df-lm 23508 df-haus 23594 df-grpo 31028 df-gid 31029 df-ginv 31030 df-gdiv 31031 df-ablo 31080 df-vc 31094 df-nv 31127 df-va 31130 df-ba 31131 df-sm 31132 df-0v 31133 df-vs 31134 df-nmcv 31135 df-ims 31136 df-hnorm 31503 df-hvsub 31506 df-hlim 31507 df-sh 31742 df-ch 31756 df-ch0 31788 df-shs 31843 df-span 31844 |
| This theorem is used by: shs0i 31984 |
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