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| Mirrors > Home > HSE Home > Th. List > lnopco0i | Structured version Visualization version GIF version | ||
| Description: The composition of a linear operator with one whose norm is zero. (Contributed by NM, 10-Mar-2006.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| lnopco.1 | ⊢ 𝑆 ∈ LinOp |
| lnopco.2 | ⊢ 𝑇 ∈ LinOp |
| Ref | Expression |
|---|---|
| lnopco0i | ⊢ ((normop‘𝑇) = 0 → (normop‘(𝑆 ∘ 𝑇)) = 0) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | coeq2 5846 | . . 3 ⊢ (𝑇 = 0hop → (𝑆 ∘ 𝑇) = (𝑆 ∘ 0hop )) | |
| 2 | lnopco.1 | . . . . . . . 8 ⊢ 𝑆 ∈ LinOp | |
| 3 | 0lnop 32407 | . . . . . . . 8 ⊢ 0hop ∈ LinOp | |
| 4 | 2, 3 | lnopcoi 32426 | . . . . . . 7 ⊢ (𝑆 ∘ 0hop ) ∈ LinOp |
| 5 | 4 | lnopfi 32392 | . . . . . 6 ⊢ (𝑆 ∘ 0hop ): ℋ⟶ ℋ |
| 6 | ffn 6709 | . . . . . 6 ⊢ ((𝑆 ∘ 0hop ): ℋ⟶ ℋ → (𝑆 ∘ 0hop ) Fn ℋ) | |
| 7 | 5, 6 | ax-mp 5 | . . . . 5 ⊢ (𝑆 ∘ 0hop ) Fn ℋ |
| 8 | ho0f 32174 | . . . . . 6 ⊢ 0hop : ℋ⟶ ℋ | |
| 9 | ffn 6709 | . . . . . 6 ⊢ ( 0hop : ℋ⟶ ℋ → 0hop Fn ℋ) | |
| 10 | 8, 9 | ax-mp 5 | . . . . 5 ⊢ 0hop Fn ℋ |
| 11 | eqfnfv 7029 | . . . . 5 ⊢ (((𝑆 ∘ 0hop ) Fn ℋ ∧ 0hop Fn ℋ) → ((𝑆 ∘ 0hop ) = 0hop ↔ ∀𝑥 ∈ ℋ ((𝑆 ∘ 0hop )‘𝑥) = ( 0hop ‘𝑥))) | |
| 12 | 7, 10, 11 | mp2an 705 | . . . 4 ⊢ ((𝑆 ∘ 0hop ) = 0hop ↔ ∀𝑥 ∈ ℋ ((𝑆 ∘ 0hop )‘𝑥) = ( 0hop ‘𝑥)) |
| 13 | ho0val 32173 | . . . . . . 7 ⊢ (𝑥 ∈ ℋ → ( 0hop ‘𝑥) = 0ℎ) | |
| 14 | 13 | fveq2d 6889 | . . . . . 6 ⊢ (𝑥 ∈ ℋ → (𝑆‘( 0hop ‘𝑥)) = (𝑆‘0ℎ)) |
| 15 | 2 | lnop0i 32393 | . . . . . 6 ⊢ (𝑆‘0ℎ) = 0ℎ |
| 16 | 14, 15 | eqtrdi 2816 | . . . . 5 ⊢ (𝑥 ∈ ℋ → (𝑆‘( 0hop ‘𝑥)) = 0ℎ) |
| 17 | 2 | lnopfi 32392 | . . . . . 6 ⊢ 𝑆: ℋ⟶ ℋ |
| 18 | 17, 8 | hocoi 32187 | . . . . 5 ⊢ (𝑥 ∈ ℋ → ((𝑆 ∘ 0hop )‘𝑥) = (𝑆‘( 0hop ‘𝑥))) |
| 19 | 16, 18, 13 | 3eqtr4d 2810 | . . . 4 ⊢ (𝑥 ∈ ℋ → ((𝑆 ∘ 0hop )‘𝑥) = ( 0hop ‘𝑥)) |
| 20 | 12, 19 | mprgbir 3088 | . . 3 ⊢ (𝑆 ∘ 0hop ) = 0hop |
| 21 | 1, 20 | eqtrdi 2816 | . 2 ⊢ (𝑇 = 0hop → (𝑆 ∘ 𝑇) = 0hop ) |
| 22 | lnopco.2 | . . 3 ⊢ 𝑇 ∈ LinOp | |
| 23 | 22 | nmlnop0iHIL 32419 | . 2 ⊢ ((normop‘𝑇) = 0 ↔ 𝑇 = 0hop ) |
| 24 | 2, 22 | lnopcoi 32426 | . . 3 ⊢ (𝑆 ∘ 𝑇) ∈ LinOp |
| 25 | 24 | nmlnop0iHIL 32419 | . 2 ⊢ ((normop‘(𝑆 ∘ 𝑇)) = 0 ↔ (𝑆 ∘ 𝑇) = 0hop ) |
| 26 | 21, 23, 25 | 3imtr4i 295 | 1 ⊢ ((normop‘𝑇) = 0 → (normop‘(𝑆 ∘ 𝑇)) = 0) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 209 = wceq 1570 ∈ wcel 2146 ∀wral 3081 ∘ ccom 5667 Fn wfn 6535 ⟶wf 6536 ‘cfv 6540 0cc0 11115 ℋchba 31342 0ℎc0v 31347 0hop ch0o 31366 normopcnop 31368 LinOpclo 31370 |
| 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 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2737 ax-rep 5240 ax-sep 5259 ax-nul 5271 ax-pow 5338 ax-pr 5406 ax-un 7742 ax-inf2 9617 ax-cc 10434 ax-cnex 11171 ax-resscn 11172 ax-1cn 11173 ax-icn 11174 ax-addcl 11175 ax-addrcl 11176 ax-mulcl 11177 ax-mulrcl 11178 ax-mulcom 11179 ax-addass 11180 ax-mulass 11181 ax-distr 11182 ax-i2m1 11183 ax-1ne0 11184 ax-1rid 11185 ax-rnegex 11186 ax-rrecex 11187 ax-cnre 11188 ax-pre-lttri 11189 ax-pre-lttrn 11190 ax-pre-ltadd 11191 ax-pre-mulgt0 11192 ax-pre-sup 11193 ax-addf 11194 ax-mulf 11195 ax-hilex 31422 ax-hfvadd 31423 ax-hvcom 31424 ax-hvass 31425 ax-hv0cl 31426 ax-hvaddid 31427 ax-hfvmul 31428 ax-hvmulid 31429 ax-hvmulass 31430 ax-hvdistr1 31431 ax-hvdistr2 31432 ax-hvmul0 31433 ax-hfi 31502 ax-his1 31505 ax-his2 31506 ax-his3 31507 ax-his4 31508 ax-hcompl 31625 |
| 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 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-nel 3067 df-ral 3082 df-rex 3092 df-rmo 3371 df-reu 3372 df-rab 3419 df-v 3459 df-sbc 3747 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-pss 3926 df-nul 4287 df-if 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-tp 4596 df-op 4598 df-uni 4875 df-int 4915 df-iun 4960 df-iin 4961 df-br 5112 df-opab 5176 df-mpt 5195 df-tr 5221 df-id 5558 df-eprel 5563 df-po 5571 df-so 5572 df-fr 5616 df-se 5617 df-we 5618 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-res 5675 df-ima 5676 df-pred 6306 df-ord 6367 df-on 6368 df-lim 6369 df-suc 6370 df-iota 6496 df-fun 6542 df-fn 6543 df-f 6544 df-f1 6545 df-fo 6546 df-f1o 6547 df-fv 6548 df-isom 6549 df-riota 7376 df-ov 7422 df-oprab 7423 df-mpo 7424 df-of 7684 df-om 7869 df-1st 7992 df-2nd 7993 df-supp 8163 df-frecs 8284 df-wrecs 8315 df-recs 8364 df-rdg 8403 df-1o 8459 df-2o 8460 df-oadd 8463 df-omul 8464 df-er 8700 df-map 8832 df-pm 8833 df-ixp 8902 df-en 8950 df-dom 8951 df-sdom 8952 df-fin 8953 df-fsupp 9329 df-fi 9378 df-sup 9409 df-inf 9410 df-oi 9479 df-card 9941 df-acn 9944 df-pnf 11260 df-mnf 11261 df-xr 11262 df-ltxr 11263 df-le 11264 df-sub 11458 df-neg 11459 df-div 11887 df-nn 12249 df-2 12318 df-3 12319 df-4 12320 df-5 12321 df-6 12322 df-7 12323 df-8 12324 df-9 12325 df-n0 12520 df-z 12607 df-dec 12728 df-uz 12879 df-q 12989 df-rp 13033 df-xneg 13153 df-xadd 13154 df-xmul 13155 df-ioo 13392 df-ico 13394 df-icc 13395 df-fz 13552 df-fzo 13700 df-fl 13843 df-seq 14056 df-exp 14116 df-hash 14385 df-cj 15174 df-re 15175 df-im 15176 df-sqrt 15310 df-abs 15311 df-clim 15563 df-rlim 15564 df-sum 15762 df-struct 17229 df-sets 17246 df-slot 17264 df-ndx 17276 df-base 17292 df-ress 17313 df-plusg 17345 df-mulr 17346 df-starv 17347 df-sca 17348 df-vsca 17349 df-ip 17350 df-tset 17351 df-ple 17352 df-ds 17354 df-unif 17355 df-hom 17356 df-cco 17357 df-rest 17497 df-topn 17498 df-0g 17516 df-gsum 17517 df-topgen 17518 df-pt 17519 df-prds 17522 df-xrs 17578 df-qtop 17583 df-imas 17584 df-xps 17586 df-mre 17660 df-mrc 17661 df-acs 17663 df-mgm 18720 df-sgrp 18809 df-mnd 18825 df-submnd 18879 df-mulg 19178 df-cntz 19431 df-cmn 19896 df-psmet 21564 df-xmet 21565 df-met 21566 df-bl 21567 df-mopn 21568 df-fbas 21569 df-fg 21570 df-cnfld 21573 df-top 23101 df-topon 23118 df-topsp 23140 df-bases 23153 df-cld 23226 df-ntr 23227 df-cls 23228 df-nei 23305 df-cn 23434 df-cnp 23435 df-lm 23436 df-haus 23522 df-tx 23770 df-hmeo 23963 df-fil 24054 df-fm 24146 df-flim 24147 df-flf 24148 df-xms 24528 df-ms 24529 df-tms 24530 df-cfil 25465 df-cau 25466 df-cmet 25467 df-grpo 30916 df-gid 30917 df-ginv 30918 df-gdiv 30919 df-ablo 30968 df-vc 30982 df-nv 31015 df-va 31018 df-ba 31019 df-sm 31020 df-0v 31021 df-vs 31022 df-nmcv 31023 df-ims 31024 df-dip 31124 df-ssp 31145 df-lno 31167 df-nmoo 31168 df-0o 31170 df-ph 31236 df-cbn 31286 df-hnorm 31391 df-hba 31392 df-hvsub 31394 df-hlim 31395 df-hcau 31396 df-sh 31630 df-ch 31644 df-oc 31675 df-ch0 31676 df-shs 31731 df-pjh 31818 df-h0op 32171 df-nmop 32262 df-lnop 32264 df-hmop 32267 |
| This theorem is used by: nmopcoi 32518 |
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