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Theorem fullsetcestrc 18235
Description: The "embedding functor" from the category of sets into the category of extensible structures which sends each set to an extensible structure consisting of the base set slot only is full. (Contributed by AV, 1-Apr-2020.)
Hypotheses
Ref Expression
funcsetcestrc.s 𝑆 = (SetCat‘𝑈)
funcsetcestrc.c 𝐶 = (Base‘𝑆)
funcsetcestrc.f (𝜑𝐹 = (𝑥𝐶 ↦ {⟨(Base‘ndx), 𝑥⟩}))
funcsetcestrc.u (𝜑𝑈 ∈ WUni)
funcsetcestrc.o (𝜑 → ω ∈ 𝑈)
funcsetcestrc.g (𝜑𝐺 = (𝑥𝐶, 𝑦𝐶 ↦ ( I ↾ (𝑦m 𝑥))))
funcsetcestrc.e 𝐸 = (ExtStrCat‘𝑈)
Assertion
Ref Expression
fullsetcestrc (𝜑𝐹(𝑆 Full 𝐸)𝐺)
Distinct variable groups:   𝑥,𝐶   𝜑,𝑥   𝑦,𝐶,𝑥   𝜑,𝑦   𝑥,𝐸
Allowed substitution hints:   𝑆(𝑥,𝑦)   𝑈(𝑥,𝑦)   𝐸(𝑦)   𝐹(𝑥,𝑦)   𝐺(𝑥,𝑦)

Proof of Theorem fullsetcestrc
Dummy variables 𝑎 𝑏 𝑘 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 funcsetcestrc.s . . 3 𝑆 = (SetCat‘𝑈)
2 funcsetcestrc.c . . 3 𝐶 = (Base‘𝑆)
3 funcsetcestrc.f . . 3 (𝜑𝐹 = (𝑥𝐶 ↦ {⟨(Base‘ndx), 𝑥⟩}))
4 funcsetcestrc.u . . 3 (𝜑𝑈 ∈ WUni)
5 funcsetcestrc.o . . 3 (𝜑 → ω ∈ 𝑈)
6 funcsetcestrc.g . . 3 (𝜑𝐺 = (𝑥𝐶, 𝑦𝐶 ↦ ( I ↾ (𝑦m 𝑥))))
7 funcsetcestrc.e . . 3 𝐸 = (ExtStrCat‘𝑈)
81, 2, 3, 4, 5, 6, 7funcsetcestrc 18233 . 2 (𝜑𝐹(𝑆 Func 𝐸)𝐺)
91, 2, 3, 4, 5, 6, 7funcsetcestrclem8 18231 . . . 4 ((𝜑 ∧ (𝑎𝐶𝑏𝐶)) → (𝑎𝐺𝑏):(𝑎(Hom ‘𝑆)𝑏)⟶((𝐹𝑎)(Hom ‘𝐸)(𝐹𝑏)))
104adantr 480 . . . . . . 7 ((𝜑 ∧ (𝑎𝐶𝑏𝐶)) → 𝑈 ∈ WUni)
11 eqid 2740 . . . . . . 7 (Hom ‘𝐸) = (Hom ‘𝐸)
121, 2, 3, 4, 5funcsetcestrclem2 18224 . . . . . . . 8 ((𝜑𝑎𝐶) → (𝐹𝑎) ∈ 𝑈)
1312adantrr 716 . . . . . . 7 ((𝜑 ∧ (𝑎𝐶𝑏𝐶)) → (𝐹𝑎) ∈ 𝑈)
141, 2, 3, 4, 5funcsetcestrclem2 18224 . . . . . . . 8 ((𝜑𝑏𝐶) → (𝐹𝑏) ∈ 𝑈)
1514adantrl 715 . . . . . . 7 ((𝜑 ∧ (𝑎𝐶𝑏𝐶)) → (𝐹𝑏) ∈ 𝑈)
16 eqid 2740 . . . . . . 7 (Base‘(𝐹𝑎)) = (Base‘(𝐹𝑎))
17 eqid 2740 . . . . . . 7 (Base‘(𝐹𝑏)) = (Base‘(𝐹𝑏))
187, 10, 11, 13, 15, 16, 17elestrchom 18196 . . . . . 6 ((𝜑 ∧ (𝑎𝐶𝑏𝐶)) → ( ∈ ((𝐹𝑎)(Hom ‘𝐸)(𝐹𝑏)) ↔ :(Base‘(𝐹𝑎))⟶(Base‘(𝐹𝑏))))
191, 2, 3funcsetcestrclem1 18223 . . . . . . . . . . 11 ((𝜑𝑎𝐶) → (𝐹𝑎) = {⟨(Base‘ndx), 𝑎⟩})
2019adantrr 716 . . . . . . . . . 10 ((𝜑 ∧ (𝑎𝐶𝑏𝐶)) → (𝐹𝑎) = {⟨(Base‘ndx), 𝑎⟩})
2120fveq2d 6924 . . . . . . . . 9 ((𝜑 ∧ (𝑎𝐶𝑏𝐶)) → (Base‘(𝐹𝑎)) = (Base‘{⟨(Base‘ndx), 𝑎⟩}))
22 eqid 2740 . . . . . . . . . . 11 {⟨(Base‘ndx), 𝑎⟩} = {⟨(Base‘ndx), 𝑎⟩}
23221strbas 17275 . . . . . . . . . 10 (𝑎𝐶𝑎 = (Base‘{⟨(Base‘ndx), 𝑎⟩}))
2423ad2antrl 727 . . . . . . . . 9 ((𝜑 ∧ (𝑎𝐶𝑏𝐶)) → 𝑎 = (Base‘{⟨(Base‘ndx), 𝑎⟩}))
2521, 24eqtr4d 2783 . . . . . . . 8 ((𝜑 ∧ (𝑎𝐶𝑏𝐶)) → (Base‘(𝐹𝑎)) = 𝑎)
261, 2, 3funcsetcestrclem1 18223 . . . . . . . . . . 11 ((𝜑𝑏𝐶) → (𝐹𝑏) = {⟨(Base‘ndx), 𝑏⟩})
2726adantrl 715 . . . . . . . . . 10 ((𝜑 ∧ (𝑎𝐶𝑏𝐶)) → (𝐹𝑏) = {⟨(Base‘ndx), 𝑏⟩})
2827fveq2d 6924 . . . . . . . . 9 ((𝜑 ∧ (𝑎𝐶𝑏𝐶)) → (Base‘(𝐹𝑏)) = (Base‘{⟨(Base‘ndx), 𝑏⟩}))
29 eqid 2740 . . . . . . . . . . 11 {⟨(Base‘ndx), 𝑏⟩} = {⟨(Base‘ndx), 𝑏⟩}
30291strbas 17275 . . . . . . . . . 10 (𝑏𝐶𝑏 = (Base‘{⟨(Base‘ndx), 𝑏⟩}))
3130ad2antll 728 . . . . . . . . 9 ((𝜑 ∧ (𝑎𝐶𝑏𝐶)) → 𝑏 = (Base‘{⟨(Base‘ndx), 𝑏⟩}))
3228, 31eqtr4d 2783 . . . . . . . 8 ((𝜑 ∧ (𝑎𝐶𝑏𝐶)) → (Base‘(𝐹𝑏)) = 𝑏)
3325, 32feq23d 6742 . . . . . . 7 ((𝜑 ∧ (𝑎𝐶𝑏𝐶)) → (:(Base‘(𝐹𝑎))⟶(Base‘(𝐹𝑏)) ↔ :𝑎𝑏))
34 simpr 484 . . . . . . . . . . . . . 14 ((𝜑 ∧ (𝑎𝐶𝑏𝐶)) → (𝑎𝐶𝑏𝐶))
3534ancomd 461 . . . . . . . . . . . . 13 ((𝜑 ∧ (𝑎𝐶𝑏𝐶)) → (𝑏𝐶𝑎𝐶))
36 elmapg 8897 . . . . . . . . . . . . 13 ((𝑏𝐶𝑎𝐶) → ( ∈ (𝑏m 𝑎) ↔ :𝑎𝑏))
3735, 36syl 17 . . . . . . . . . . . 12 ((𝜑 ∧ (𝑎𝐶𝑏𝐶)) → ( ∈ (𝑏m 𝑎) ↔ :𝑎𝑏))
3837biimpar 477 . . . . . . . . . . 11 (((𝜑 ∧ (𝑎𝐶𝑏𝐶)) ∧ :𝑎𝑏) → ∈ (𝑏m 𝑎))
39 equequ2 2025 . . . . . . . . . . . 12 (𝑘 = → ( = 𝑘 = ))
4039adantl 481 . . . . . . . . . . 11 ((((𝜑 ∧ (𝑎𝐶𝑏𝐶)) ∧ :𝑎𝑏) ∧ 𝑘 = ) → ( = 𝑘 = ))
41 eqidd 2741 . . . . . . . . . . 11 (((𝜑 ∧ (𝑎𝐶𝑏𝐶)) ∧ :𝑎𝑏) → = )
4238, 40, 41rspcedvd 3637 . . . . . . . . . 10 (((𝜑 ∧ (𝑎𝐶𝑏𝐶)) ∧ :𝑎𝑏) → ∃𝑘 ∈ (𝑏m 𝑎) = 𝑘)
431, 2, 3, 4, 5, 6funcsetcestrclem6 18229 . . . . . . . . . . . . . 14 ((𝜑 ∧ (𝑎𝐶𝑏𝐶) ∧ 𝑘 ∈ (𝑏m 𝑎)) → ((𝑎𝐺𝑏)‘𝑘) = 𝑘)
44433expa 1118 . . . . . . . . . . . . 13 (((𝜑 ∧ (𝑎𝐶𝑏𝐶)) ∧ 𝑘 ∈ (𝑏m 𝑎)) → ((𝑎𝐺𝑏)‘𝑘) = 𝑘)
4544eqeq2d 2751 . . . . . . . . . . . 12 (((𝜑 ∧ (𝑎𝐶𝑏𝐶)) ∧ 𝑘 ∈ (𝑏m 𝑎)) → ( = ((𝑎𝐺𝑏)‘𝑘) ↔ = 𝑘))
4645rexbidva 3183 . . . . . . . . . . 11 ((𝜑 ∧ (𝑎𝐶𝑏𝐶)) → (∃𝑘 ∈ (𝑏m 𝑎) = ((𝑎𝐺𝑏)‘𝑘) ↔ ∃𝑘 ∈ (𝑏m 𝑎) = 𝑘))
4746adantr 480 . . . . . . . . . 10 (((𝜑 ∧ (𝑎𝐶𝑏𝐶)) ∧ :𝑎𝑏) → (∃𝑘 ∈ (𝑏m 𝑎) = ((𝑎𝐺𝑏)‘𝑘) ↔ ∃𝑘 ∈ (𝑏m 𝑎) = 𝑘))
4842, 47mpbird 257 . . . . . . . . 9 (((𝜑 ∧ (𝑎𝐶𝑏𝐶)) ∧ :𝑎𝑏) → ∃𝑘 ∈ (𝑏m 𝑎) = ((𝑎𝐺𝑏)‘𝑘))
49 eqid 2740 . . . . . . . . . . . 12 (Hom ‘𝑆) = (Hom ‘𝑆)
501, 4setcbas 18145 . . . . . . . . . . . . . . . . 17 (𝜑𝑈 = (Base‘𝑆))
512, 50eqtr4id 2799 . . . . . . . . . . . . . . . 16 (𝜑𝐶 = 𝑈)
5251eleq2d 2830 . . . . . . . . . . . . . . 15 (𝜑 → (𝑎𝐶𝑎𝑈))
5352biimpcd 249 . . . . . . . . . . . . . 14 (𝑎𝐶 → (𝜑𝑎𝑈))
5453adantr 480 . . . . . . . . . . . . 13 ((𝑎𝐶𝑏𝐶) → (𝜑𝑎𝑈))
5554impcom 407 . . . . . . . . . . . 12 ((𝜑 ∧ (𝑎𝐶𝑏𝐶)) → 𝑎𝑈)
5651eleq2d 2830 . . . . . . . . . . . . . . 15 (𝜑 → (𝑏𝐶𝑏𝑈))
5756biimpcd 249 . . . . . . . . . . . . . 14 (𝑏𝐶 → (𝜑𝑏𝑈))
5857adantl 481 . . . . . . . . . . . . 13 ((𝑎𝐶𝑏𝐶) → (𝜑𝑏𝑈))
5958impcom 407 . . . . . . . . . . . 12 ((𝜑 ∧ (𝑎𝐶𝑏𝐶)) → 𝑏𝑈)
601, 10, 49, 55, 59setchom 18147 . . . . . . . . . . 11 ((𝜑 ∧ (𝑎𝐶𝑏𝐶)) → (𝑎(Hom ‘𝑆)𝑏) = (𝑏m 𝑎))
6160rexeqdv 3335 . . . . . . . . . 10 ((𝜑 ∧ (𝑎𝐶𝑏𝐶)) → (∃𝑘 ∈ (𝑎(Hom ‘𝑆)𝑏) = ((𝑎𝐺𝑏)‘𝑘) ↔ ∃𝑘 ∈ (𝑏m 𝑎) = ((𝑎𝐺𝑏)‘𝑘)))
6261adantr 480 . . . . . . . . 9 (((𝜑 ∧ (𝑎𝐶𝑏𝐶)) ∧ :𝑎𝑏) → (∃𝑘 ∈ (𝑎(Hom ‘𝑆)𝑏) = ((𝑎𝐺𝑏)‘𝑘) ↔ ∃𝑘 ∈ (𝑏m 𝑎) = ((𝑎𝐺𝑏)‘𝑘)))
6348, 62mpbird 257 . . . . . . . 8 (((𝜑 ∧ (𝑎𝐶𝑏𝐶)) ∧ :𝑎𝑏) → ∃𝑘 ∈ (𝑎(Hom ‘𝑆)𝑏) = ((𝑎𝐺𝑏)‘𝑘))
6463ex 412 . . . . . . 7 ((𝜑 ∧ (𝑎𝐶𝑏𝐶)) → (:𝑎𝑏 → ∃𝑘 ∈ (𝑎(Hom ‘𝑆)𝑏) = ((𝑎𝐺𝑏)‘𝑘)))
6533, 64sylbid 240 . . . . . 6 ((𝜑 ∧ (𝑎𝐶𝑏𝐶)) → (:(Base‘(𝐹𝑎))⟶(Base‘(𝐹𝑏)) → ∃𝑘 ∈ (𝑎(Hom ‘𝑆)𝑏) = ((𝑎𝐺𝑏)‘𝑘)))
6618, 65sylbid 240 . . . . 5 ((𝜑 ∧ (𝑎𝐶𝑏𝐶)) → ( ∈ ((𝐹𝑎)(Hom ‘𝐸)(𝐹𝑏)) → ∃𝑘 ∈ (𝑎(Hom ‘𝑆)𝑏) = ((𝑎𝐺𝑏)‘𝑘)))
6766ralrimiv 3151 . . . 4 ((𝜑 ∧ (𝑎𝐶𝑏𝐶)) → ∀ ∈ ((𝐹𝑎)(Hom ‘𝐸)(𝐹𝑏))∃𝑘 ∈ (𝑎(Hom ‘𝑆)𝑏) = ((𝑎𝐺𝑏)‘𝑘))
68 dffo3 7136 . . . 4 ((𝑎𝐺𝑏):(𝑎(Hom ‘𝑆)𝑏)–onto→((𝐹𝑎)(Hom ‘𝐸)(𝐹𝑏)) ↔ ((𝑎𝐺𝑏):(𝑎(Hom ‘𝑆)𝑏)⟶((𝐹𝑎)(Hom ‘𝐸)(𝐹𝑏)) ∧ ∀ ∈ ((𝐹𝑎)(Hom ‘𝐸)(𝐹𝑏))∃𝑘 ∈ (𝑎(Hom ‘𝑆)𝑏) = ((𝑎𝐺𝑏)‘𝑘)))
699, 67, 68sylanbrc 582 . . 3 ((𝜑 ∧ (𝑎𝐶𝑏𝐶)) → (𝑎𝐺𝑏):(𝑎(Hom ‘𝑆)𝑏)–onto→((𝐹𝑎)(Hom ‘𝐸)(𝐹𝑏)))
7069ralrimivva 3208 . 2 (𝜑 → ∀𝑎𝐶𝑏𝐶 (𝑎𝐺𝑏):(𝑎(Hom ‘𝑆)𝑏)–onto→((𝐹𝑎)(Hom ‘𝐸)(𝐹𝑏)))
712, 11, 49isfull2 17978 . 2 (𝐹(𝑆 Full 𝐸)𝐺 ↔ (𝐹(𝑆 Func 𝐸)𝐺 ∧ ∀𝑎𝐶𝑏𝐶 (𝑎𝐺𝑏):(𝑎(Hom ‘𝑆)𝑏)–onto→((𝐹𝑎)(Hom ‘𝐸)(𝐹𝑏))))
728, 70, 71sylanbrc 582 1 (𝜑𝐹(𝑆 Full 𝐸)𝐺)
Colors of variables: wff setvar class
Syntax hints:  wi 4  wb 206  wa 395   = wceq 1537  wcel 2108  wral 3067  wrex 3076  {csn 4648  cop 4654   class class class wbr 5166  cmpt 5249   I cid 5592  cres 5702  wf 6569  ontowfo 6571  cfv 6573  (class class class)co 7448  cmpo 7450  ωcom 7903  m cmap 8884  WUnicwun 10769  ndxcnx 17240  Basecbs 17258  Hom chom 17322   Func cfunc 17918   Full cful 17969  SetCatcsetc 18142  ExtStrCatcestrc 18190
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1793  ax-4 1807  ax-5 1909  ax-6 1967  ax-7 2007  ax-8 2110  ax-9 2118  ax-10 2141  ax-11 2158  ax-12 2178  ax-ext 2711  ax-rep 5303  ax-sep 5317  ax-nul 5324  ax-pow 5383  ax-pr 5447  ax-un 7770  ax-inf2 9710  ax-cnex 11240  ax-resscn 11241  ax-1cn 11242  ax-icn 11243  ax-addcl 11244  ax-addrcl 11245  ax-mulcl 11246  ax-mulrcl 11247  ax-mulcom 11248  ax-addass 11249  ax-mulass 11250  ax-distr 11251  ax-i2m1 11252  ax-1ne0 11253  ax-1rid 11254  ax-rnegex 11255  ax-rrecex 11256  ax-cnre 11257  ax-pre-lttri 11258  ax-pre-lttrn 11259  ax-pre-ltadd 11260  ax-pre-mulgt0 11261
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 847  df-3or 1088  df-3an 1089  df-tru 1540  df-fal 1550  df-ex 1778  df-nf 1782  df-sb 2065  df-mo 2543  df-eu 2572  df-clab 2718  df-cleq 2732  df-clel 2819  df-nfc 2895  df-ne 2947  df-nel 3053  df-ral 3068  df-rex 3077  df-rmo 3388  df-reu 3389  df-rab 3444  df-v 3490  df-sbc 3805  df-csb 3922  df-dif 3979  df-un 3981  df-in 3983  df-ss 3993  df-pss 3996  df-nul 4353  df-if 4549  df-pw 4624  df-sn 4649  df-pr 4651  df-tp 4653  df-op 4655  df-uni 4932  df-int 4971  df-iun 5017  df-br 5167  df-opab 5229  df-mpt 5250  df-tr 5284  df-id 5593  df-eprel 5599  df-po 5607  df-so 5608  df-fr 5652  df-we 5654  df-xp 5706  df-rel 5707  df-cnv 5708  df-co 5709  df-dm 5710  df-rn 5711  df-res 5712  df-ima 5713  df-pred 6332  df-ord 6398  df-on 6399  df-lim 6400  df-suc 6401  df-iota 6525  df-fun 6575  df-fn 6576  df-f 6577  df-f1 6578  df-fo 6579  df-f1o 6580  df-fv 6581  df-riota 7404  df-ov 7451  df-oprab 7452  df-mpo 7453  df-om 7904  df-1st 8030  df-2nd 8031  df-frecs 8322  df-wrecs 8353  df-recs 8427  df-rdg 8466  df-1o 8522  df-oadd 8526  df-omul 8527  df-er 8763  df-ec 8765  df-qs 8769  df-map 8886  df-pm 8887  df-ixp 8956  df-en 9004  df-dom 9005  df-sdom 9006  df-fin 9007  df-wun 10771  df-ni 10941  df-pli 10942  df-mi 10943  df-lti 10944  df-plpq 10977  df-mpq 10978  df-ltpq 10979  df-enq 10980  df-nq 10981  df-erq 10982  df-plq 10983  df-mq 10984  df-1nq 10985  df-rq 10986  df-ltnq 10987  df-np 11050  df-plp 11052  df-ltp 11054  df-enr 11124  df-nr 11125  df-c 11190  df-pnf 11326  df-mnf 11327  df-xr 11328  df-ltxr 11329  df-le 11330  df-sub 11522  df-neg 11523  df-nn 12294  df-2 12356  df-3 12357  df-4 12358  df-5 12359  df-6 12360  df-7 12361  df-8 12362  df-9 12363  df-n0 12554  df-z 12640  df-dec 12759  df-uz 12904  df-fz 13568  df-struct 17194  df-slot 17229  df-ndx 17241  df-base 17259  df-hom 17335  df-cco 17336  df-cat 17726  df-cid 17727  df-func 17922  df-full 17971  df-setc 18143  df-estrc 18191
This theorem is referenced by: (None)
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