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| Mirrors > Home > MPE Home > Th. List > fulloppc | Structured version Visualization version GIF version | ||
| Description: The opposite functor of a full functor is also full. Proposition 3.43(d) in [Adamek] p. 39. (Contributed by Mario Carneiro, 27-Jan-2017.) |
| Ref | Expression |
|---|---|
| fulloppc.o | ⊢ 𝑂 = (oppCat‘𝐶) |
| fulloppc.p | ⊢ 𝑃 = (oppCat‘𝐷) |
| fulloppc.f | ⊢ (𝜑 → 𝐹(𝐶 Full 𝐷)𝐺) |
| Ref | Expression |
|---|---|
| fulloppc | ⊢ (𝜑 → 𝐹(𝑂 Full 𝑃)tpos 𝐺) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | fulloppc.o | . . 3 ⊢ 𝑂 = (oppCat‘𝐶) | |
| 2 | fulloppc.p | . . 3 ⊢ 𝑃 = (oppCat‘𝐷) | |
| 3 | fulloppc.f | . . . 4 ⊢ (𝜑 → 𝐹(𝐶 Full 𝐷)𝐺) | |
| 4 | fullfunc 17983 | . . . . 5 ⊢ (𝐶 Full 𝐷) ⊆ (𝐶 Func 𝐷) | |
| 5 | 4 | ssbri 5158 | . . . 4 ⊢ (𝐹(𝐶 Full 𝐷)𝐺 → 𝐹(𝐶 Func 𝐷)𝐺) |
| 6 | 3, 5 | syl 18 | . . 3 ⊢ (𝜑 → 𝐹(𝐶 Func 𝐷)𝐺) |
| 7 | 1, 2, 6 | funcoppc 17950 | . 2 ⊢ (𝜑 → 𝐹(𝑂 Func 𝑃)tpos 𝐺) |
| 8 | eqid 2765 | . . . . . 6 ⊢ (Base‘𝐶) = (Base‘𝐶) | |
| 9 | eqid 2765 | . . . . . 6 ⊢ (Hom ‘𝐷) = (Hom ‘𝐷) | |
| 10 | eqid 2765 | . . . . . 6 ⊢ (Hom ‘𝐶) = (Hom ‘𝐶) | |
| 11 | 3 | adantr 486 | . . . . . 6 ⊢ ((𝜑 ∧ (𝑥 ∈ (Base‘𝐶) ∧ 𝑦 ∈ (Base‘𝐶))) → 𝐹(𝐶 Full 𝐷)𝐺) |
| 12 | simprr 785 | . . . . . 6 ⊢ ((𝜑 ∧ (𝑥 ∈ (Base‘𝐶) ∧ 𝑦 ∈ (Base‘𝐶))) → 𝑦 ∈ (Base‘𝐶)) | |
| 13 | simprl 783 | . . . . . 6 ⊢ ((𝜑 ∧ (𝑥 ∈ (Base‘𝐶) ∧ 𝑦 ∈ (Base‘𝐶))) → 𝑥 ∈ (Base‘𝐶)) | |
| 14 | 8, 9, 10, 11, 12, 13 | fullfo 17989 | . . . . 5 ⊢ ((𝜑 ∧ (𝑥 ∈ (Base‘𝐶) ∧ 𝑦 ∈ (Base‘𝐶))) → (𝑦𝐺𝑥):(𝑦(Hom ‘𝐶)𝑥)–onto→((𝐹‘𝑦)(Hom ‘𝐷)(𝐹‘𝑥))) |
| 15 | forn 6799 | . . . . 5 ⊢ ((𝑦𝐺𝑥):(𝑦(Hom ‘𝐶)𝑥)–onto→((𝐹‘𝑦)(Hom ‘𝐷)(𝐹‘𝑥)) → ran (𝑦𝐺𝑥) = ((𝐹‘𝑦)(Hom ‘𝐷)(𝐹‘𝑥))) | |
| 16 | 14, 15 | syl 18 | . . . 4 ⊢ ((𝜑 ∧ (𝑥 ∈ (Base‘𝐶) ∧ 𝑦 ∈ (Base‘𝐶))) → ran (𝑦𝐺𝑥) = ((𝐹‘𝑦)(Hom ‘𝐷)(𝐹‘𝑥))) |
| 17 | ovtpos 8239 | . . . . 5 ⊢ (𝑥tpos 𝐺𝑦) = (𝑦𝐺𝑥) | |
| 18 | 17 | rneqi 5929 | . . . 4 ⊢ ran (𝑥tpos 𝐺𝑦) = ran (𝑦𝐺𝑥) |
| 19 | 9, 2 | oppchom 17789 | . . . 4 ⊢ ((𝐹‘𝑥)(Hom ‘𝑃)(𝐹‘𝑦)) = ((𝐹‘𝑦)(Hom ‘𝐷)(𝐹‘𝑥)) |
| 20 | 16, 18, 19 | 3eqtr4g 2825 | . . 3 ⊢ ((𝜑 ∧ (𝑥 ∈ (Base‘𝐶) ∧ 𝑦 ∈ (Base‘𝐶))) → ran (𝑥tpos 𝐺𝑦) = ((𝐹‘𝑥)(Hom ‘𝑃)(𝐹‘𝑦))) |
| 21 | 20 | ralrimivva 3210 | . 2 ⊢ (𝜑 → ∀𝑥 ∈ (Base‘𝐶)∀𝑦 ∈ (Base‘𝐶)ran (𝑥tpos 𝐺𝑦) = ((𝐹‘𝑥)(Hom ‘𝑃)(𝐹‘𝑦))) |
| 22 | 1, 8 | oppcbas 17792 | . . 3 ⊢ (Base‘𝐶) = (Base‘𝑂) |
| 23 | eqid 2765 | . . 3 ⊢ (Hom ‘𝑃) = (Hom ‘𝑃) | |
| 24 | 22, 23 | isfull 17987 | . 2 ⊢ (𝐹(𝑂 Full 𝑃)tpos 𝐺 ↔ (𝐹(𝑂 Func 𝑃)tpos 𝐺 ∧ ∀𝑥 ∈ (Base‘𝐶)∀𝑦 ∈ (Base‘𝐶)ran (𝑥tpos 𝐺𝑦) = ((𝐹‘𝑥)(Hom ‘𝑃)(𝐹‘𝑦)))) |
| 25 | 7, 21, 24 | sylanbrc 595 | 1 ⊢ (𝜑 → 𝐹(𝑂 Full 𝑃)tpos 𝐺) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 = wceq 1570 ∈ wcel 2146 ∀wral 3081 class class class wbr 5111 ran crn 5664 –onto→wfo 6538 ‘cfv 6540 (class class class)co 7416 tpos ctpos 8223 Basecbs 17287 Hom chom 17339 oppCatcoppc 17785 Func cfunc 17929 Full cful 17979 |
| 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 7738 ax-cnex 11167 ax-resscn 11168 ax-1cn 11169 ax-icn 11170 ax-addcl 11171 ax-addrcl 11172 ax-mulcl 11173 ax-mulrcl 11174 ax-mulcom 11175 ax-addass 11176 ax-mulass 11177 ax-distr 11178 ax-i2m1 11179 ax-1ne0 11180 ax-1rid 11181 ax-rnegex 11182 ax-rrecex 11183 ax-cnre 11184 ax-pre-lttri 11185 ax-pre-lttrn 11186 ax-pre-ltadd 11187 ax-pre-mulgt0 11188 |
| 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-op 4598 df-uni 4875 df-iun 4960 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-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-riota 7373 df-ov 7419 df-oprab 7420 df-mpo 7421 df-om 7865 df-1st 7988 df-2nd 7989 df-tpos 8224 df-frecs 8280 df-wrecs 8311 df-recs 8360 df-rdg 8399 df-er 8696 df-map 8828 df-ixp 8898 df-en 8946 df-dom 8947 df-sdom 8948 df-pnf 11256 df-mnf 11257 df-xr 11258 df-ltxr 11259 df-le 11260 df-sub 11454 df-neg 11455 df-nn 12245 df-2 12314 df-3 12315 df-4 12316 df-5 12317 df-6 12318 df-7 12319 df-8 12320 df-9 12321 df-n0 12516 df-z 12603 df-dec 12724 df-sets 17242 df-slot 17260 df-ndx 17272 df-base 17288 df-hom 17352 df-cco 17353 df-cat 17742 df-cid 17743 df-oppc 17786 df-func 17933 df-full 17981 |
| This theorem is used by: ffthoppc 18001 fulloppf 49974 |
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