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| Mirrors > Home > HSE Home > Th. List > pjssge0i | Structured version Visualization version GIF version | ||
| Description: Theorem 4.5(iv)->(v) of [Beran] p. 112. (Contributed by NM, 26-Sep-2001.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| pjco.1 | ⊢ 𝐺 ∈ Cℋ |
| pjco.2 | ⊢ 𝐻 ∈ Cℋ |
| Ref | Expression |
|---|---|
| pjssge0i | ⊢ (𝐴 ∈ ℋ → ((((projℎ‘𝐺)‘𝐴) −ℎ ((projℎ‘𝐻)‘𝐴)) = ((projℎ‘(𝐺 ∩ (⊥‘𝐻)))‘𝐴) → 0 ≤ ((((projℎ‘𝐺)‘𝐴) −ℎ ((projℎ‘𝐻)‘𝐴)) ·ih 𝐴))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | fveq2 6882 | . . . . 5 ⊢ (𝐴 = if(𝐴 ∈ ℋ, 𝐴, 0ℎ) → ((projℎ‘𝐺)‘𝐴) = ((projℎ‘𝐺)‘if(𝐴 ∈ ℋ, 𝐴, 0ℎ))) | |
| 2 | fveq2 6882 | . . . . 5 ⊢ (𝐴 = if(𝐴 ∈ ℋ, 𝐴, 0ℎ) → ((projℎ‘𝐻)‘𝐴) = ((projℎ‘𝐻)‘if(𝐴 ∈ ℋ, 𝐴, 0ℎ))) | |
| 3 | 1, 2 | oveq12d 7434 | . . . 4 ⊢ (𝐴 = if(𝐴 ∈ ℋ, 𝐴, 0ℎ) → (((projℎ‘𝐺)‘𝐴) −ℎ ((projℎ‘𝐻)‘𝐴)) = (((projℎ‘𝐺)‘if(𝐴 ∈ ℋ, 𝐴, 0ℎ)) −ℎ ((projℎ‘𝐻)‘if(𝐴 ∈ ℋ, 𝐴, 0ℎ)))) |
| 4 | fveq2 6882 | . . . 4 ⊢ (𝐴 = if(𝐴 ∈ ℋ, 𝐴, 0ℎ) → ((projℎ‘(𝐺 ∩ (⊥‘𝐻)))‘𝐴) = ((projℎ‘(𝐺 ∩ (⊥‘𝐻)))‘if(𝐴 ∈ ℋ, 𝐴, 0ℎ))) | |
| 5 | 3, 4 | eqeq12d 2778 | . . 3 ⊢ (𝐴 = if(𝐴 ∈ ℋ, 𝐴, 0ℎ) → ((((projℎ‘𝐺)‘𝐴) −ℎ ((projℎ‘𝐻)‘𝐴)) = ((projℎ‘(𝐺 ∩ (⊥‘𝐻)))‘𝐴) ↔ (((projℎ‘𝐺)‘if(𝐴 ∈ ℋ, 𝐴, 0ℎ)) −ℎ ((projℎ‘𝐻)‘if(𝐴 ∈ ℋ, 𝐴, 0ℎ))) = ((projℎ‘(𝐺 ∩ (⊥‘𝐻)))‘if(𝐴 ∈ ℋ, 𝐴, 0ℎ)))) |
| 6 | id 23 | . . . . 5 ⊢ (𝐴 = if(𝐴 ∈ ℋ, 𝐴, 0ℎ) → 𝐴 = if(𝐴 ∈ ℋ, 𝐴, 0ℎ)) | |
| 7 | 3, 6 | oveq12d 7434 | . . . 4 ⊢ (𝐴 = if(𝐴 ∈ ℋ, 𝐴, 0ℎ) → ((((projℎ‘𝐺)‘𝐴) −ℎ ((projℎ‘𝐻)‘𝐴)) ·ih 𝐴) = ((((projℎ‘𝐺)‘if(𝐴 ∈ ℋ, 𝐴, 0ℎ)) −ℎ ((projℎ‘𝐻)‘if(𝐴 ∈ ℋ, 𝐴, 0ℎ))) ·ih if(𝐴 ∈ ℋ, 𝐴, 0ℎ))) |
| 8 | 7 | breq2d 5119 | . . 3 ⊢ (𝐴 = if(𝐴 ∈ ℋ, 𝐴, 0ℎ) → (0 ≤ ((((projℎ‘𝐺)‘𝐴) −ℎ ((projℎ‘𝐻)‘𝐴)) ·ih 𝐴) ↔ 0 ≤ ((((projℎ‘𝐺)‘if(𝐴 ∈ ℋ, 𝐴, 0ℎ)) −ℎ ((projℎ‘𝐻)‘if(𝐴 ∈ ℋ, 𝐴, 0ℎ))) ·ih if(𝐴 ∈ ℋ, 𝐴, 0ℎ)))) |
| 9 | 5, 8 | imbi12d 347 | . 2 ⊢ (𝐴 = if(𝐴 ∈ ℋ, 𝐴, 0ℎ) → (((((projℎ‘𝐺)‘𝐴) −ℎ ((projℎ‘𝐻)‘𝐴)) = ((projℎ‘(𝐺 ∩ (⊥‘𝐻)))‘𝐴) → 0 ≤ ((((projℎ‘𝐺)‘𝐴) −ℎ ((projℎ‘𝐻)‘𝐴)) ·ih 𝐴)) ↔ ((((projℎ‘𝐺)‘if(𝐴 ∈ ℋ, 𝐴, 0ℎ)) −ℎ ((projℎ‘𝐻)‘if(𝐴 ∈ ℋ, 𝐴, 0ℎ))) = ((projℎ‘(𝐺 ∩ (⊥‘𝐻)))‘if(𝐴 ∈ ℋ, 𝐴, 0ℎ)) → 0 ≤ ((((projℎ‘𝐺)‘if(𝐴 ∈ ℋ, 𝐴, 0ℎ)) −ℎ ((projℎ‘𝐻)‘if(𝐴 ∈ ℋ, 𝐴, 0ℎ))) ·ih if(𝐴 ∈ ℋ, 𝐴, 0ℎ))))) |
| 10 | pjco.2 | . . 3 ⊢ 𝐻 ∈ Cℋ | |
| 11 | ifhvhv0 31504 | . . 3 ⊢ if(𝐴 ∈ ℋ, 𝐴, 0ℎ) ∈ ℋ | |
| 12 | pjco.1 | . . 3 ⊢ 𝐺 ∈ Cℋ | |
| 13 | 10, 11, 12 | pjssge0ii 32164 | . 2 ⊢ ((((projℎ‘𝐺)‘if(𝐴 ∈ ℋ, 𝐴, 0ℎ)) −ℎ ((projℎ‘𝐻)‘if(𝐴 ∈ ℋ, 𝐴, 0ℎ))) = ((projℎ‘(𝐺 ∩ (⊥‘𝐻)))‘if(𝐴 ∈ ℋ, 𝐴, 0ℎ)) → 0 ≤ ((((projℎ‘𝐺)‘if(𝐴 ∈ ℋ, 𝐴, 0ℎ)) −ℎ ((projℎ‘𝐻)‘if(𝐴 ∈ ℋ, 𝐴, 0ℎ))) ·ih if(𝐴 ∈ ℋ, 𝐴, 0ℎ))) |
| 14 | 9, 13 | dedth 4544 | 1 ⊢ (𝐴 ∈ ℋ → ((((projℎ‘𝐺)‘𝐴) −ℎ ((projℎ‘𝐻)‘𝐴)) = ((projℎ‘(𝐺 ∩ (⊥‘𝐻)))‘𝐴) → 0 ≤ ((((projℎ‘𝐺)‘𝐴) −ℎ ((projℎ‘𝐻)‘𝐴)) ·ih 𝐴))) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1570 ∈ wcel 2145 ∩ cin 3901 ifcif 4485 class class class wbr 5107 ‘cfv 6537 (class class class)co 7416 0cc0 11127 ≤ cle 11271 ℋchba 31401 ·ih csp 31404 0ℎc0v 31406 −ℎ cmv 31407 Cℋ cch 31411 ⊥cort 31412 projℎcpjh 31419 |
| 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 2215 ax-ext 2734 ax-rep 5236 ax-sep 5255 ax-nul 5267 ax-pow 5334 ax-pr 5402 ax-un 7739 ax-inf2 9623 ax-cc 10440 ax-cnex 11183 ax-resscn 11184 ax-1cn 11185 ax-icn 11186 ax-addcl 11187 ax-addrcl 11188 ax-mulcl 11189 ax-mulrcl 11190 ax-mulcom 11191 ax-addass 11192 ax-mulass 11193 ax-distr 11194 ax-i2m1 11195 ax-1ne0 11196 ax-1rid 11197 ax-rnegex 11198 ax-rrecex 11199 ax-cnre 11200 ax-pre-lttri 11201 ax-pre-lttrn 11202 ax-pre-ltadd 11203 ax-pre-mulgt0 11204 ax-pre-sup 11205 ax-addf 11206 ax-mulf 11207 ax-hilex 31481 ax-hfvadd 31482 ax-hvcom 31483 ax-hvass 31484 ax-hv0cl 31485 ax-hvaddid 31486 ax-hfvmul 31487 ax-hvmulid 31488 ax-hvmulass 31489 ax-hvdistr1 31490 ax-hvdistr2 31491 ax-hvmul0 31492 ax-hfi 31561 ax-his1 31564 ax-his2 31565 ax-his3 31566 ax-his4 31567 ax-hcompl 31684 |
| 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 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-nel 3064 df-ral 3079 df-rex 3089 df-rmo 3367 df-reu 3368 df-rab 3415 df-v 3455 df-sbc 3743 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-pss 3922 df-nul 4283 df-if 4486 df-pw 4562 df-sn 4588 df-pr 4590 df-tp 4592 df-op 4594 df-uni 4871 df-int 4911 df-iun 4956 df-iin 4957 df-br 5108 df-opab 5172 df-mpt 5191 df-tr 5217 df-id 5554 df-eprel 5559 df-po 5567 df-so 5568 df-fr 5612 df-se 5613 df-we 5614 df-xp 5665 df-rel 5666 df-cnv 5667 df-co 5668 df-dm 5669 df-rn 5670 df-res 5671 df-ima 5672 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-isom 6546 df-riota 7373 df-ov 7419 df-oprab 7420 df-mpo 7421 df-of 7681 df-om 7866 df-1st 7989 df-2nd 7990 df-supp 8162 df-frecs 8283 df-wrecs 8314 df-recs 8363 df-rdg 8402 df-1o 8458 df-2o 8459 df-oadd 8462 df-omul 8463 df-er 8699 df-map 8831 df-pm 8832 df-ixp 8908 df-en 8956 df-dom 8957 df-sdom 8958 df-fin 8959 df-fsupp 9335 df-fi 9384 df-sup 9415 df-inf 9416 df-oi 9485 df-card 9947 df-acn 9950 df-pnf 11272 df-mnf 11273 df-xr 11274 df-ltxr 11275 df-le 11276 df-sub 11470 df-neg 11471 df-div 11899 df-nn 12261 df-2 12330 df-3 12331 df-4 12332 df-5 12333 df-6 12334 df-7 12335 df-8 12336 df-9 12337 df-n0 12532 df-z 12619 df-dec 12740 df-uz 12891 df-q 13001 df-rp 13045 df-xneg 13165 df-xadd 13166 df-xmul 13167 df-ioo 13404 df-ico 13406 df-icc 13407 df-fz 13564 df-fzo 13712 df-fl 13855 df-seq 14068 df-exp 14128 df-hash 14397 df-cj 15188 df-re 15189 df-im 15190 df-sqrt 15324 df-abs 15325 df-clim 15577 df-rlim 15578 df-sum 15776 df-struct 17243 df-sets 17260 df-slot 17278 df-ndx 17290 df-base 17306 df-ress 17327 df-plusg 17359 df-mulr 17360 df-starv 17361 df-sca 17362 df-vsca 17363 df-ip 17364 df-tset 17365 df-ple 17366 df-ds 17368 df-unif 17369 df-hom 17370 df-cco 17371 df-rest 17511 df-topn 17512 df-0g 17530 df-gsum 17531 df-topgen 17532 df-pt 17533 df-prds 17536 df-xrs 17592 df-qtop 17597 df-imas 17598 df-xps 17600 df-mre 17674 df-mrc 17675 df-acs 17677 df-mgm 18734 df-sgrp 18825 df-mnd 18841 df-submnd 18896 df-mulg 19195 df-cntz 19448 df-cmn 19913 df-psmet 21581 df-xmet 21582 df-met 21583 df-bl 21584 df-mopn 21585 df-fbas 21586 df-fg 21587 df-cnfld 21590 df-top 23123 df-topon 23140 df-topsp 23162 df-bases 23175 df-cld 23248 df-ntr 23249 df-cls 23250 df-nei 23327 df-cn 23456 df-cnp 23457 df-lm 23458 df-haus 23544 df-tx 23792 df-hmeo 23985 df-fil 24076 df-fm 24168 df-flim 24169 df-flf 24170 df-xms 24550 df-ms 24551 df-tms 24552 df-cfil 25487 df-cau 25488 df-cmet 25489 df-grpo 30975 df-gid 30976 df-ginv 30977 df-gdiv 30978 df-ablo 31027 df-vc 31041 df-nv 31074 df-va 31077 df-ba 31078 df-sm 31079 df-0v 31080 df-vs 31081 df-nmcv 31082 df-ims 31083 df-dip 31183 df-ssp 31204 df-ph 31295 df-cbn 31345 df-hnorm 31450 df-hba 31451 df-hvsub 31453 df-hlim 31454 df-hcau 31455 df-sh 31689 df-ch 31703 df-oc 31734 df-ch0 31735 df-shs 31790 df-pjh 31877 |
| This theorem is used by: pjnormssi 32650 |
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