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| Mirrors > Home > HSE Home > Th. List > pjeq | Structured version Visualization version GIF version | ||
| Description: Equality with a projection. (Contributed by NM, 20-Jan-2007.) (Revised by Mario Carneiro, 15-May-2014.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| pjeq | ⊢ ((𝐻 ∈ Cℋ ∧ 𝐴 ∈ ℋ) → (((projℎ‘𝐻)‘𝐴) = 𝐵 ↔ (𝐵 ∈ 𝐻 ∧ ∃𝑥 ∈ (⊥‘𝐻)𝐴 = (𝐵 +ℎ 𝑥)))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | pjhth 31929 | . . . 4 ⊢ (𝐻 ∈ Cℋ → (𝐻 +ℋ (⊥‘𝐻)) = ℋ) | |
| 2 | 1 | eleq2d 2846 | . . 3 ⊢ (𝐻 ∈ Cℋ → (𝐴 ∈ (𝐻 +ℋ (⊥‘𝐻)) ↔ 𝐴 ∈ ℋ)) |
| 3 | 2 | biimpar 483 | . 2 ⊢ ((𝐻 ∈ Cℋ ∧ 𝐴 ∈ ℋ) → 𝐴 ∈ (𝐻 +ℋ (⊥‘𝐻))) |
| 4 | pjpreeq 31934 | . 2 ⊢ ((𝐻 ∈ Cℋ ∧ 𝐴 ∈ (𝐻 +ℋ (⊥‘𝐻))) → (((projℎ‘𝐻)‘𝐴) = 𝐵 ↔ (𝐵 ∈ 𝐻 ∧ ∃𝑥 ∈ (⊥‘𝐻)𝐴 = (𝐵 +ℎ 𝑥)))) | |
| 5 | 3, 4 | syldan 603 | 1 ⊢ ((𝐻 ∈ Cℋ ∧ 𝐴 ∈ ℋ) → (((projℎ‘𝐻)‘𝐴) = 𝐵 ↔ (𝐵 ∈ 𝐻 ∧ ∃𝑥 ∈ (⊥‘𝐻)𝐴 = (𝐵 +ℎ 𝑥)))) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 209 ∧ wa 401 = wceq 1570 ∈ wcel 2145 ∃wrex 3086 ‘cfv 6527 (class class class)co 7408 ℋchba 31455 +ℎ cva 31456 Cℋ cch 31465 ⊥cort 31466 +ℋ cph 31467 projℎcpjh 31473 |
| 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 2732 ax-rep 5231 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7734 ax-inf2 9620 ax-cc 10485 ax-cnex 11228 ax-resscn 11229 ax-1cn 11230 ax-icn 11231 ax-addcl 11232 ax-addrcl 11233 ax-mulcl 11234 ax-mulrcl 11235 ax-mulcom 11236 ax-addass 11237 ax-mulass 11238 ax-distr 11239 ax-i2m1 11240 ax-1ne0 11241 ax-1rid 11242 ax-rnegex 11243 ax-rrecex 11244 ax-cnre 11245 ax-pre-lttri 11246 ax-pre-lttrn 11247 ax-pre-ltadd 11248 ax-pre-mulgt0 11249 ax-pre-sup 11250 ax-addf 11251 ax-mulf 11252 ax-hilex 31535 ax-hfvadd 31536 ax-hvcom 31537 ax-hvass 31538 ax-hv0cl 31539 ax-hvaddid 31540 ax-hfvmul 31541 ax-hvmulid 31542 ax-hvmulass 31543 ax-hvdistr1 31544 ax-hvdistr2 31545 ax-hvmul0 31546 ax-hfi 31615 ax-his1 31618 ax-his2 31619 ax-his3 31620 ax-his4 31621 ax-hcompl 31738 |
| 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 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-rmo 3365 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3847 df-dif 3901 df-un 3903 df-in 3905 df-ss 3915 df-pss 3918 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4584 df-pr 4586 df-op 4590 df-uni 4867 df-int 4907 df-iun 4952 df-iin 4953 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5542 df-eprel 5547 df-po 5555 df-so 5556 df-fr 5600 df-se 5601 df-we 5602 df-xp 5653 df-rel 5654 df-cnv 5655 df-co 5656 df-dm 5657 df-rn 5658 df-res 5659 df-ima 5660 df-pred 6293 df-ord 6354 df-on 6355 df-lim 6356 df-suc 6357 df-iota 6483 df-fun 6529 df-fn 6530 df-f 6531 df-f1 6532 df-fo 6533 df-f1o 6534 df-fv 6535 df-isom 6536 df-riota 7365 df-ov 7411 df-oprab 7412 df-mpo 7413 df-om 7861 df-1st 7984 df-2nd 7985 df-frecs 8277 df-wrecs 8308 df-recs 8357 df-rdg 8396 df-1o 8454 df-2o 8455 df-oadd 8458 df-omul 8459 df-er 8695 df-map 8827 df-pm 8828 df-en 8952 df-dom 8953 df-sdom 8954 df-fin 8955 df-fi 9381 df-sup 9412 df-inf 9413 df-oi 9482 df-card 9992 df-acn 9995 df-pnf 11317 df-mnf 11318 df-xr 11319 df-ltxr 11320 df-le 11321 df-sub 11515 df-neg 11516 df-div 11944 df-nn 12306 df-2 12375 df-3 12376 df-4 12377 df-n0 12577 df-z 12664 df-uz 12936 df-q 13046 df-rp 13091 df-xneg 13211 df-xadd 13212 df-xmul 13213 df-ico 13452 df-icc 13453 df-fz 13610 df-fl 13901 df-seq 14114 df-exp 14174 df-cj 15234 df-re 15235 df-im 15236 df-sqrt 15370 df-abs 15371 df-clim 15623 df-rlim 15624 df-rest 17555 df-topgen 17576 df-psmet 21632 df-xmet 21633 df-met 21634 df-bl 21635 df-mopn 21636 df-fbas 21637 df-fg 21638 df-top 23174 df-topon 23191 df-bases 23226 df-cld 23299 df-ntr 23300 df-cls 23301 df-nei 23378 df-lm 23509 df-haus 23595 df-fil 24127 df-fm 24219 df-flim 24220 df-flf 24221 df-cfil 25538 df-cau 25539 df-cmet 25540 df-grpo 31029 df-gid 31030 df-ginv 31031 df-gdiv 31032 df-ablo 31081 df-vc 31095 df-nv 31128 df-va 31131 df-ba 31132 df-sm 31133 df-0v 31134 df-vs 31135 df-nmcv 31136 df-ims 31137 df-ssp 31258 df-ph 31349 df-cbn 31399 df-hnorm 31504 df-hba 31505 df-hvsub 31507 df-hlim 31508 df-hcau 31509 df-sh 31743 df-ch 31757 df-oc 31788 df-ch0 31789 df-shs 31844 df-pjh 31931 |
| This theorem is used by: axpjcl 31936 pjspansn 32113 pjimai 32712 |
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