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| Mirrors > Home > HSE Home > Th. List > shsvs | Structured version Visualization version GIF version | ||
| Description: Vector subtraction belongs to subspace sum. (Contributed by NM, 15-Dec-2004.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| shsvs | ⊢ ((𝐴 ∈ Sℋ ∧ 𝐵 ∈ Sℋ ) → ((𝐶 ∈ 𝐴 ∧ 𝐷 ∈ 𝐵) → (𝐶 −ℎ 𝐷) ∈ (𝐴 +ℋ 𝐵))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | shscl 31409 | . . . 4 ⊢ ((𝐴 ∈ Sℋ ∧ 𝐵 ∈ Sℋ ) → (𝐴 +ℋ 𝐵) ∈ Sℋ ) | |
| 2 | 1 | a1d 25 | . . 3 ⊢ ((𝐴 ∈ Sℋ ∧ 𝐵 ∈ Sℋ ) → ((𝐶 ∈ 𝐴 ∧ 𝐷 ∈ 𝐵) → (𝐴 +ℋ 𝐵) ∈ Sℋ )) |
| 3 | shsel1 31412 | . . . 4 ⊢ ((𝐴 ∈ Sℋ ∧ 𝐵 ∈ Sℋ ) → (𝐶 ∈ 𝐴 → 𝐶 ∈ (𝐴 +ℋ 𝐵))) | |
| 4 | 3 | adantrd 493 | . . 3 ⊢ ((𝐴 ∈ Sℋ ∧ 𝐵 ∈ Sℋ ) → ((𝐶 ∈ 𝐴 ∧ 𝐷 ∈ 𝐵) → 𝐶 ∈ (𝐴 +ℋ 𝐵))) |
| 5 | shsel2 31413 | . . . 4 ⊢ ((𝐴 ∈ Sℋ ∧ 𝐵 ∈ Sℋ ) → (𝐷 ∈ 𝐵 → 𝐷 ∈ (𝐴 +ℋ 𝐵))) | |
| 6 | 5 | adantld 492 | . . 3 ⊢ ((𝐴 ∈ Sℋ ∧ 𝐵 ∈ Sℋ ) → ((𝐶 ∈ 𝐴 ∧ 𝐷 ∈ 𝐵) → 𝐷 ∈ (𝐴 +ℋ 𝐵))) |
| 7 | 2, 4, 6 | 3jcad 1136 | . 2 ⊢ ((𝐴 ∈ Sℋ ∧ 𝐵 ∈ Sℋ ) → ((𝐶 ∈ 𝐴 ∧ 𝐷 ∈ 𝐵) → ((𝐴 +ℋ 𝐵) ∈ Sℋ ∧ 𝐶 ∈ (𝐴 +ℋ 𝐵) ∧ 𝐷 ∈ (𝐴 +ℋ 𝐵)))) |
| 8 | shsubcl 31311 | . 2 ⊢ (((𝐴 +ℋ 𝐵) ∈ Sℋ ∧ 𝐶 ∈ (𝐴 +ℋ 𝐵) ∧ 𝐷 ∈ (𝐴 +ℋ 𝐵)) → (𝐶 −ℎ 𝐷) ∈ (𝐴 +ℋ 𝐵)) | |
| 9 | 7, 8 | syl6 35 | 1 ⊢ ((𝐴 ∈ Sℋ ∧ 𝐵 ∈ Sℋ ) → ((𝐶 ∈ 𝐴 ∧ 𝐷 ∈ 𝐵) → (𝐶 −ℎ 𝐷) ∈ (𝐴 +ℋ 𝐵))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 397 ∧ w3a 1093 ∈ wcel 2121 (class class class)co 7359 −ℎ cmv 31016 Sℋ csh 31019 +ℋ cph 31022 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1975 ax-7 2016 ax-8 2123 ax-9 2131 ax-10 2154 ax-11 2170 ax-12 2191 ax-ext 2713 ax-rep 5201 ax-sep 5220 ax-nul 5230 ax-pow 5296 ax-pr 5364 ax-un 7681 ax-cnex 11090 ax-resscn 11091 ax-1cn 11092 ax-icn 11093 ax-addcl 11094 ax-addrcl 11095 ax-mulcl 11096 ax-mulrcl 11097 ax-mulcom 11098 ax-addass 11099 ax-mulass 11100 ax-distr 11101 ax-i2m1 11102 ax-1ne0 11103 ax-1rid 11104 ax-rnegex 11105 ax-rrecex 11106 ax-cnre 11107 ax-pre-lttri 11108 ax-pre-lttrn 11109 ax-pre-ltadd 11110 ax-hilex 31090 ax-hfvadd 31091 ax-hvcom 31092 ax-hvass 31093 ax-hv0cl 31094 ax-hvaddid 31095 ax-hfvmul 31096 ax-hvmulid 31097 ax-hvdistr1 31099 ax-hvdistr2 31100 ax-hvmul0 31101 |
| This theorem depends on definitions: df-bi 209 df-an 398 df-or 855 df-3or 1094 df-3an 1095 df-tru 1551 df-fal 1561 df-ex 1788 df-nf 1792 df-sb 2075 df-mo 2545 df-eu 2575 df-clab 2720 df-cleq 2733 df-clel 2816 df-nfc 2890 df-ne 2937 df-nel 3041 df-ral 3056 df-rex 3066 df-reu 3347 df-rab 3394 df-v 3435 df-sbc 3725 df-csb 3833 df-dif 3887 df-un 3889 df-in 3891 df-ss 3901 df-pss 3904 df-nul 4264 df-if 4457 df-pw 4533 df-sn 4558 df-pr 4560 df-op 4564 df-uni 4841 df-iun 4925 df-br 5075 df-opab 5137 df-mpt 5156 df-tr 5182 df-id 5515 df-eprel 5520 df-po 5528 df-so 5529 df-fr 5573 df-we 5575 df-xp 5626 df-rel 5627 df-cnv 5628 df-co 5629 df-dm 5630 df-rn 5631 df-res 5632 df-ima 5633 df-pred 6255 df-ord 6316 df-on 6317 df-lim 6318 df-suc 6319 df-iota 6444 df-fun 6490 df-fn 6491 df-f 6492 df-f1 6493 df-fo 6494 df-f1o 6495 df-fv 6496 df-riota 7316 df-ov 7362 df-oprab 7363 df-mpo 7364 df-om 7810 df-2nd 7934 df-frecs 8224 df-wrecs 8255 df-recs 8304 df-rdg 8343 df-er 8637 df-map 8769 df-en 8888 df-dom 8889 df-sdom 8890 df-pnf 11177 df-mnf 11178 df-ltxr 11180 df-sub 11375 df-neg 11376 df-nn 12170 df-grpo 30584 df-ablo 30636 df-hvsub 31062 df-hlim 31063 df-sh 31298 df-ch 31312 df-shs 31399 |
| This theorem is referenced by: shsvsi 31458 |
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