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| Mirrors > Home > HSE Home > Th. List > shsupunss | Structured version Visualization version GIF version | ||
| Description: The union of a set of subspaces is smaller than its supremum. (Contributed by NM, 26-Nov-2004.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| shsupunss | ⊢ (𝐴 ⊆ Sℋ → ∪ 𝐴 ⊆ (span‘∪ 𝐴)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | shsspwh 31265 | . . . . 5 ⊢ Sℋ ⊆ 𝒫 ℋ | |
| 2 | sstr 3992 | . . . . 5 ⊢ ((𝐴 ⊆ Sℋ ∧ Sℋ ⊆ 𝒫 ℋ) → 𝐴 ⊆ 𝒫 ℋ) | |
| 3 | 1, 2 | mpan2 691 | . . . 4 ⊢ (𝐴 ⊆ Sℋ → 𝐴 ⊆ 𝒫 ℋ) |
| 4 | 3 | unissd 4917 | . . 3 ⊢ (𝐴 ⊆ Sℋ → ∪ 𝐴 ⊆ ∪ 𝒫 ℋ) |
| 5 | unipw 5455 | . . 3 ⊢ ∪ 𝒫 ℋ = ℋ | |
| 6 | 4, 5 | sseqtrdi 4024 | . 2 ⊢ (𝐴 ⊆ Sℋ → ∪ 𝐴 ⊆ ℋ) |
| 7 | spanss2 31364 | . 2 ⊢ (∪ 𝐴 ⊆ ℋ → ∪ 𝐴 ⊆ (span‘∪ 𝐴)) | |
| 8 | 6, 7 | syl 17 | 1 ⊢ (𝐴 ⊆ Sℋ → ∪ 𝐴 ⊆ (span‘∪ 𝐴)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ⊆ wss 3951 𝒫 cpw 4600 ∪ cuni 4907 ‘cfv 6561 ℋchba 30938 Sℋ csh 30947 spancspn 30951 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2007 ax-8 2110 ax-9 2118 ax-10 2141 ax-11 2157 ax-12 2177 ax-ext 2708 ax-rep 5279 ax-sep 5296 ax-nul 5306 ax-pow 5365 ax-pr 5432 ax-un 7755 ax-cnex 11211 ax-1cn 11213 ax-addcl 11215 ax-hilex 31018 ax-hfvadd 31019 ax-hv0cl 31022 ax-hfvmul 31024 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2065 df-mo 2540 df-eu 2569 df-clab 2715 df-cleq 2729 df-clel 2816 df-nfc 2892 df-ne 2941 df-ral 3062 df-rex 3071 df-reu 3381 df-rab 3437 df-v 3482 df-sbc 3789 df-csb 3900 df-dif 3954 df-un 3956 df-in 3958 df-ss 3968 df-pss 3971 df-nul 4334 df-if 4526 df-pw 4602 df-sn 4627 df-pr 4629 df-op 4633 df-uni 4908 df-int 4947 df-iun 4993 df-br 5144 df-opab 5206 df-mpt 5226 df-tr 5260 df-id 5578 df-eprel 5584 df-po 5592 df-so 5593 df-fr 5637 df-we 5639 df-xp 5691 df-rel 5692 df-cnv 5693 df-co 5694 df-dm 5695 df-rn 5696 df-res 5697 df-ima 5698 df-pred 6321 df-ord 6387 df-on 6388 df-lim 6389 df-suc 6390 df-iota 6514 df-fun 6563 df-fn 6564 df-f 6565 df-f1 6566 df-fo 6567 df-f1o 6568 df-fv 6569 df-ov 7434 df-oprab 7435 df-mpo 7436 df-om 7888 df-2nd 8015 df-frecs 8306 df-wrecs 8337 df-recs 8411 df-rdg 8450 df-map 8868 df-nn 12267 df-hlim 30991 df-sh 31226 df-ch 31240 df-span 31328 |
| This theorem is referenced by: (None) |
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