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| Mirrors > Home > MPE Home > Th. List > nghmplusg | Structured version Visualization version GIF version | ||
| Description: The sum of two bounded linear operators is bounded linear. (Contributed by Mario Carneiro, 20-Oct-2015.) |
| Ref | Expression |
|---|---|
| nghmplusg.p | ⊢ + = (+g‘𝑇) |
| Ref | Expression |
|---|---|
| nghmplusg | ⊢ ((𝑇 ∈ Abel ∧ 𝐹 ∈ (𝑆 NGHom 𝑇) ∧ 𝐺 ∈ (𝑆 NGHom 𝑇)) → (𝐹 ∘f + 𝐺) ∈ (𝑆 NGHom 𝑇)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nghmrcl1 25044 | . . 3 ⊢ (𝐹 ∈ (𝑆 NGHom 𝑇) → 𝑆 ∈ NrmGrp) | |
| 2 | 1 | 3ad2ant2 1152 | . 2 ⊢ ((𝑇 ∈ Abel ∧ 𝐹 ∈ (𝑆 NGHom 𝑇) ∧ 𝐺 ∈ (𝑆 NGHom 𝑇)) → 𝑆 ∈ NrmGrp) |
| 3 | nghmrcl2 25045 | . . 3 ⊢ (𝐹 ∈ (𝑆 NGHom 𝑇) → 𝑇 ∈ NrmGrp) | |
| 4 | 3 | 3ad2ant2 1152 | . 2 ⊢ ((𝑇 ∈ Abel ∧ 𝐹 ∈ (𝑆 NGHom 𝑇) ∧ 𝐺 ∈ (𝑆 NGHom 𝑇)) → 𝑇 ∈ NrmGrp) |
| 5 | id 23 | . . 3 ⊢ (𝑇 ∈ Abel → 𝑇 ∈ Abel) | |
| 6 | nghmghm 25046 | . . 3 ⊢ (𝐹 ∈ (𝑆 NGHom 𝑇) → 𝐹 ∈ (𝑆 GrpHom 𝑇)) | |
| 7 | nghmghm 25046 | . . 3 ⊢ (𝐺 ∈ (𝑆 NGHom 𝑇) → 𝐺 ∈ (𝑆 GrpHom 𝑇)) | |
| 8 | nghmplusg.p | . . . 4 ⊢ + = (+g‘𝑇) | |
| 9 | 8 | ghmplusg 20053 | . . 3 ⊢ ((𝑇 ∈ Abel ∧ 𝐹 ∈ (𝑆 GrpHom 𝑇) ∧ 𝐺 ∈ (𝑆 GrpHom 𝑇)) → (𝐹 ∘f + 𝐺) ∈ (𝑆 GrpHom 𝑇)) |
| 10 | 5, 6, 7, 9 | syl3an 1178 | . 2 ⊢ ((𝑇 ∈ Abel ∧ 𝐹 ∈ (𝑆 NGHom 𝑇) ∧ 𝐺 ∈ (𝑆 NGHom 𝑇)) → (𝐹 ∘f + 𝐺) ∈ (𝑆 GrpHom 𝑇)) |
| 11 | eqid 2761 | . . . . 5 ⊢ (𝑆 normOp 𝑇) = (𝑆 normOp 𝑇) | |
| 12 | 11 | nghmcl 25039 | . . . 4 ⊢ (𝐹 ∈ (𝑆 NGHom 𝑇) → ((𝑆 normOp 𝑇)‘𝐹) ∈ ℝ) |
| 13 | 12 | 3ad2ant2 1152 | . . 3 ⊢ ((𝑇 ∈ Abel ∧ 𝐹 ∈ (𝑆 NGHom 𝑇) ∧ 𝐺 ∈ (𝑆 NGHom 𝑇)) → ((𝑆 normOp 𝑇)‘𝐹) ∈ ℝ) |
| 14 | 11 | nghmcl 25039 | . . . 4 ⊢ (𝐺 ∈ (𝑆 NGHom 𝑇) → ((𝑆 normOp 𝑇)‘𝐺) ∈ ℝ) |
| 15 | 14 | 3ad2ant3 1153 | . . 3 ⊢ ((𝑇 ∈ Abel ∧ 𝐹 ∈ (𝑆 NGHom 𝑇) ∧ 𝐺 ∈ (𝑆 NGHom 𝑇)) → ((𝑆 normOp 𝑇)‘𝐺) ∈ ℝ) |
| 16 | 13, 15 | readdcld 11331 | . 2 ⊢ ((𝑇 ∈ Abel ∧ 𝐹 ∈ (𝑆 NGHom 𝑇) ∧ 𝐺 ∈ (𝑆 NGHom 𝑇)) → (((𝑆 normOp 𝑇)‘𝐹) + ((𝑆 normOp 𝑇)‘𝐺)) ∈ ℝ) |
| 17 | 11, 8 | nmotri 25051 | . 2 ⊢ ((𝑇 ∈ Abel ∧ 𝐹 ∈ (𝑆 NGHom 𝑇) ∧ 𝐺 ∈ (𝑆 NGHom 𝑇)) → ((𝑆 normOp 𝑇)‘(𝐹 ∘f + 𝐺)) ≤ (((𝑆 normOp 𝑇)‘𝐹) + ((𝑆 normOp 𝑇)‘𝐺))) |
| 18 | 11 | bddnghm 25038 | . 2 ⊢ (((𝑆 ∈ NrmGrp ∧ 𝑇 ∈ NrmGrp ∧ (𝐹 ∘f + 𝐺) ∈ (𝑆 GrpHom 𝑇)) ∧ ((((𝑆 normOp 𝑇)‘𝐹) + ((𝑆 normOp 𝑇)‘𝐺)) ∈ ℝ ∧ ((𝑆 normOp 𝑇)‘(𝐹 ∘f + 𝐺)) ≤ (((𝑆 normOp 𝑇)‘𝐹) + ((𝑆 normOp 𝑇)‘𝐺)))) → (𝐹 ∘f + 𝐺) ∈ (𝑆 NGHom 𝑇)) |
| 19 | 2, 4, 10, 16, 17, 18 | syl32anc 1405 | 1 ⊢ ((𝑇 ∈ Abel ∧ 𝐹 ∈ (𝑆 NGHom 𝑇) ∧ 𝐺 ∈ (𝑆 NGHom 𝑇)) → (𝐹 ∘f + 𝐺) ∈ (𝑆 NGHom 𝑇)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ w3a 1103 = wceq 1570 ∈ wcel 2145 class class class wbr 5103 ‘cfv 6537 (class class class)co 7418 ∘f cof 7689 ℝcr 11192 + caddc 11196 ≤ cle 11337 +gcplusg 17421 GrpHom cghm 19420 Abelcabl 19988 NrmGrpcngp 24889 normOp cnmo 25017 NGHom cnghm 25018 |
| 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 2733 ax-rep 5232 ax-sep 5249 ax-nul 5260 ax-pow 5327 ax-pr 5391 ax-un 7749 ax-cnex 11249 ax-resscn 11250 ax-1cn 11251 ax-icn 11252 ax-addcl 11253 ax-addrcl 11254 ax-mulcl 11255 ax-mulrcl 11256 ax-mulcom 11257 ax-addass 11258 ax-mulass 11259 ax-distr 11260 ax-i2m1 11261 ax-1ne0 11262 ax-1rid 11263 ax-rnegex 11264 ax-rrecex 11265 ax-cnre 11266 ax-pre-lttri 11267 ax-pre-lttrn 11268 ax-pre-ltadd 11269 ax-pre-mulgt0 11270 ax-pre-sup 11271 |
| 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 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-nel 3063 df-ral 3078 df-rex 3088 df-rmo 3366 df-reu 3367 df-rab 3414 df-v 3453 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5546 df-eprel 5551 df-po 5559 df-so 5560 df-fr 5604 df-we 5606 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-pred 6303 df-ord 6364 df-on 6365 df-lim 6366 df-suc 6367 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-riota 7375 df-ov 7421 df-oprab 7422 df-mpo 7423 df-of 7691 df-om 7876 df-1st 7999 df-2nd 8000 df-frecs 8292 df-wrecs 8323 df-recs 8372 df-rdg 8411 df-er 8710 df-map 8842 df-en 8967 df-dom 8968 df-sdom 8969 df-sup 9427 df-inf 9428 df-pnf 11338 df-mnf 11339 df-xr 11340 df-ltxr 11341 df-le 11342 df-sub 11536 df-neg 11537 df-div 11967 df-nn 12329 df-2 12398 df-n0 12600 df-z 12687 df-uz 12959 df-q 13069 df-rp 13114 df-xneg 13234 df-xadd 13235 df-xmul 13236 df-ico 13475 df-0g 17605 df-topgen 17607 df-mgm 18809 df-sgrp 18901 df-mnd 18917 df-grp 19140 df-minusg 19141 df-sbg 19142 df-ghm 19421 df-cmn 19989 df-abl 19990 df-psmet 21663 df-xmet 21664 df-met 21665 df-bl 21666 df-mopn 21667 df-top 23205 df-topon 23222 df-topsp 23244 df-bases 23257 df-xms 24632 df-ms 24633 df-nm 24894 df-ngp 24895 df-nmo 25020 df-nghm 25021 |
| This theorem is used by: nmhmplusg 25069 |
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