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Mirrors > Home > MPE Home > Th. List > ffthoppc | Structured version Visualization version GIF version |
Description: The opposite functor of a fully faithful functor is also full and faithful. (Contributed by Mario Carneiro, 27-Jan-2017.) |
Ref | Expression |
---|---|
fulloppc.o | β’ π = (oppCatβπΆ) |
fulloppc.p | β’ π = (oppCatβπ·) |
ffthoppc.f | β’ (π β πΉ((πΆ Full π·) β© (πΆ Faith π·))πΊ) |
Ref | Expression |
---|---|
ffthoppc | β’ (π β πΉ((π Full π) β© (π Faith π))tpos πΊ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | fulloppc.o | . . 3 β’ π = (oppCatβπΆ) | |
2 | fulloppc.p | . . 3 β’ π = (oppCatβπ·) | |
3 | ffthoppc.f | . . . . 5 β’ (π β πΉ((πΆ Full π·) β© (πΆ Faith π·))πΊ) | |
4 | brin 5201 | . . . . 5 β’ (πΉ((πΆ Full π·) β© (πΆ Faith π·))πΊ β (πΉ(πΆ Full π·)πΊ β§ πΉ(πΆ Faith π·)πΊ)) | |
5 | 3, 4 | sylib 217 | . . . 4 β’ (π β (πΉ(πΆ Full π·)πΊ β§ πΉ(πΆ Faith π·)πΊ)) |
6 | 5 | simpld 496 | . . 3 β’ (π β πΉ(πΆ Full π·)πΊ) |
7 | 1, 2, 6 | fulloppc 17873 | . 2 β’ (π β πΉ(π Full π)tpos πΊ) |
8 | 5 | simprd 497 | . . 3 β’ (π β πΉ(πΆ Faith π·)πΊ) |
9 | 1, 2, 8 | fthoppc 17874 | . 2 β’ (π β πΉ(π Faith π)tpos πΊ) |
10 | brin 5201 | . 2 β’ (πΉ((π Full π) β© (π Faith π))tpos πΊ β (πΉ(π Full π)tpos πΊ β§ πΉ(π Faith π)tpos πΊ)) | |
11 | 7, 9, 10 | sylanbrc 584 | 1 β’ (π β πΉ((π Full π) β© (π Faith π))tpos πΊ) |
Colors of variables: wff setvar class |
Syntax hints: β wi 4 β§ wa 397 = wceq 1542 β© cin 3948 class class class wbr 5149 βcfv 6544 (class class class)co 7409 tpos ctpos 8210 oppCatcoppc 17655 Full cful 17853 Faith cfth 17854 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2109 ax-9 2117 ax-10 2138 ax-11 2155 ax-12 2172 ax-ext 2704 ax-rep 5286 ax-sep 5300 ax-nul 5307 ax-pow 5364 ax-pr 5428 ax-un 7725 ax-cnex 11166 ax-resscn 11167 ax-1cn 11168 ax-icn 11169 ax-addcl 11170 ax-addrcl 11171 ax-mulcl 11172 ax-mulrcl 11173 ax-mulcom 11174 ax-addass 11175 ax-mulass 11176 ax-distr 11177 ax-i2m1 11178 ax-1ne0 11179 ax-1rid 11180 ax-rnegex 11181 ax-rrecex 11182 ax-cnre 11183 ax-pre-lttri 11184 ax-pre-lttrn 11185 ax-pre-ltadd 11186 ax-pre-mulgt0 11187 |
This theorem depends on definitions: df-bi 206 df-an 398 df-or 847 df-3or 1089 df-3an 1090 df-tru 1545 df-fal 1555 df-ex 1783 df-nf 1787 df-sb 2069 df-mo 2535 df-eu 2564 df-clab 2711 df-cleq 2725 df-clel 2811 df-nfc 2886 df-ne 2942 df-nel 3048 df-ral 3063 df-rex 3072 df-rmo 3377 df-reu 3378 df-rab 3434 df-v 3477 df-sbc 3779 df-csb 3895 df-dif 3952 df-un 3954 df-in 3956 df-ss 3966 df-pss 3968 df-nul 4324 df-if 4530 df-pw 4605 df-sn 4630 df-pr 4632 df-op 4636 df-uni 4910 df-iun 5000 df-br 5150 df-opab 5212 df-mpt 5233 df-tr 5267 df-id 5575 df-eprel 5581 df-po 5589 df-so 5590 df-fr 5632 df-we 5634 df-xp 5683 df-rel 5684 df-cnv 5685 df-co 5686 df-dm 5687 df-rn 5688 df-res 5689 df-ima 5690 df-pred 6301 df-ord 6368 df-on 6369 df-lim 6370 df-suc 6371 df-iota 6496 df-fun 6546 df-fn 6547 df-f 6548 df-f1 6549 df-fo 6550 df-f1o 6551 df-fv 6552 df-riota 7365 df-ov 7412 df-oprab 7413 df-mpo 7414 df-om 7856 df-1st 7975 df-2nd 7976 df-tpos 8211 df-frecs 8266 df-wrecs 8297 df-recs 8371 df-rdg 8410 df-er 8703 df-map 8822 df-ixp 8892 df-en 8940 df-dom 8941 df-sdom 8942 df-pnf 11250 df-mnf 11251 df-xr 11252 df-ltxr 11253 df-le 11254 df-sub 11446 df-neg 11447 df-nn 12213 df-2 12275 df-3 12276 df-4 12277 df-5 12278 df-6 12279 df-7 12280 df-8 12281 df-9 12282 df-n0 12473 df-z 12559 df-dec 12678 df-sets 17097 df-slot 17115 df-ndx 17127 df-base 17145 df-hom 17221 df-cco 17222 df-cat 17612 df-cid 17613 df-oppc 17656 df-func 17808 df-full 17855 df-fth 17856 |
This theorem is referenced by: (None) |
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