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Theorem 1alg 10654
Description: Category 1 has the structure required by Ded and Alg.
Hypothesis
Ref Expression
1alg.1 |- A e. V
Assertion
Ref Expression
1alg |- <.<.{<.<.A, A>., A>.}, {<.<.A, A>., A>.}>., <.{<.A, <.A, A>.>.}, {<.<.<.A, A>., <.A, A>.>., <.A, A>.>.}>.>. e. Alg

Proof of Theorem 1alg
StepHypRef Expression
1 snex 2750 . . . 4 |- {<.<.A, A>., A>.} e. V
2 snex 2750 . . . 4 |- {<.A, <.A, A>.>.} e. V
31, 1, 23pm3.2i 818 . . 3 |- ({<.<.A, A>., A>.} e. V /\ {<.<.A, A>., A>.} e. V /\ {<.A, <.A, A>.>.} e. V)
4 snex 2750 . . 3 |- {<.<.<.A, A>., <.A, A>.>., <.A, A>.>.} e. V
5 dmsnop 3328 . . . . 5 |- dom {<.<.A, A>., A>.} = {<.A, A>.}
65eqcomi 1479 . . . 4 |- {<.A, A>.} = dom {<.<.A, A>., A>.}
7 dmsnop 3328 . . . . 5 |- dom {<.A, <.A, A>.>.} = {A}
87eqcomi 1479 . . . 4 |- {A} = dom {<.A, <.A, A>.>.}
96, 8isalg 10653 . . 3 |- ((({<.<.A, A>., A>.} e. V /\ {<.<.A, A>., A>.} e. V /\ {<.A, <.A, A>.>.} e. V) /\ {<.<.<.A, A>., <.A, A>.>., <.A, A>.>.} e. V) -> (<.<.{<.<.A, A>., A>.}, {<.<.A, A>., A>.}>., <.{<.A, <.A, A>.>.}, {<.<.<.A, A>., <.A, A>.>., <.A, A>.>.}>.>. e. Alg <-> (({<.<.A, A>., A>.}:{<.A, A>.}-->{A} /\ {<.<.A, A>., A>.}:{<.A, A>.}-->{A} /\ {<.A, <.A, A>.>.}:{A}-->{<.A, A>.}) /\ (Fun {<.<.<.A, A>., <.A, A>.>., <.A, A>.>.} /\ dom {<.<.<.A, A>., <.A, A>.>., <.A, A>.>.} (_ ({<.A, A>.} X. {<.A, A>.}) /\ ran {<.<.<.A, A>., <.A, A>.>., <.A, A>.>.} (_ {<.A, A>.}))))
103, 4, 9mp2an 697 . 2 |- (<.<.{<.<.A, A>., A>.}, {<.<.A, A>., A>.}>., <.{<.A, <.A, A>.>.}, {<.<.<.A, A>., <.A, A>.>., <.A, A>.>.}>.>. e. Alg <-> (({<.<.A, A>., A>.}:{<.A, A>.}-->{A} /\ {<.<.A, A>., A>.}:{<.A, A>.}-->{A} /\ {<.A, <.A, A>.>.}:{A}-->{<.A, A>.}) /\ (Fun {<.<.<.A, A>., <.A, A>.>., <.A, A>.>.} /\ dom {<.<.<.A, A>., <.A, A>.>., <.A, A>.>.} (_ ({<.A, A>.} X. {<.A, A>.}) /\ ran {<.<.<.A, A>., <.A, A>.>., <.A, A>.>.} (_ {<.A, A>.})))
11 opex 2782 . . . . 5 |- <.A, A>. e. V
12 1alg.1 . . . . 5 |- A e. V
1311, 12f1osn 3719 . . . 4 |- {<.<.A, A>., A>.}:{<.A, A>.}-1-1-onto->{A}
14 f1of 3689 . . . 4 |- ({<.<.A, A>., A>.}:{<.A, A>.}-1-1-onto->{A} -> {<.<.A, A>., A>.}:{<.A, A>.}-->{A})
1513, 14ax-mp 7 . . 3 |- {<.<.A, A>., A>.}:{<.A, A>.}-->{A}
1612, 11f1osn 3719 . . . 4 |- {<.A, <.A, A>.>.}:{A}-1-1-onto->{<.A, A>.}
17 f1of 3689 . . . 4 |- ({<.A, <.A, A>.>.}:{A}-1-1-onto->{<.A, A>.} -> {<.A, <.A, A>.>.}:{A}-->{<.A, A>.})
1816, 17ax-mp 7 . . 3 |- {<.A, <.A, A>.>.}:{A}-->{<.A, A>.}
1915, 15, 183pm3.2i 818 . 2 |- ({<.<.A, A>., A>.}:{<.A, A>.}-->{A} /\ {<.<.A, A>., A>.}:{<.A, A>.}-->{A} /\ {<.A, <.A, A>.>.}:{A}-->{<.A, A>.})
20 opex 2782 . . . 4 |- <.<.A, A>., <.A, A>.>. e. V
2120, 11funsn 3543 . . 3 |- Fun {<.<.<.A, A>., <.A, A>.>., <.A, A>.>.}
22 dmsnop 3328 . . . 4 |- dom {<.<.<.A, A>., <.A, A>.>., <.A, A>.>.} = {<.<.A, A>., <.A, A>.>.}
2311, 11f1osn 3719 . . . . . 6 |- {<.<.A, A>., <.A, A>.>.}:{<.A, A>.}-1-1-onto->{<.A, A>.}
24 f1of 3689 . . . . . 6 |- ({<.<.A, A>., <.A, A>.>.}:{<.A, A>.}-1-1-onto->{<.A, A>.} -> {<.<.A, A>., <.A, A>.>.}:{<.A, A>.}-->{<.A, A>.})
2523, 24ax-mp 7 . . . . 5 |- {<.<.A, A>., <.A, A>.>.}:{<.A, A>.}-->{<.A, A>.}
26 fssxp 3637 . . . . 5 |- ({<.<.A, A>., <.A, A>.>.}:{<.A, A>.}-->{<.A, A>.} -> {<.<.A, A>., <.A, A>.>.} (_ ({<.A, A>.} X. {<.A, A>.}))
2725, 26ax-mp 7 . . . 4 |- {<.<.A, A>., <.A, A>.>.} (_ ({<.A, A>.} X. {<.A, A>.})
2822, 27eqsstr 2091 . . 3 |- dom {<.<.<.A, A>., <.A, A>.>., <.A, A>.>.} (_ ({<.A, A>.} X. {<.A, A>.})
2920, 11rnsnop 3450 . . . 4 |- ran {<.<.<.A, A>., <.A, A>.>., <.A, A>.>.} = {<.A, A>.}
3029eqimssi 2111 . . 3 |- ran {<.<.<.A, A>., <.A, A>.>., <.A, A>.>.} (_ {<.A, A>.}
3121, 28, 303pm3.2i 818 . 2 |- (Fun {<.<.<.A, A>., <.A, A>.>., <.A, A>.>.} /\ dom {<.<.<.A, A>., <.A, A>.>., <.A, A>.>.} (_ ({<.A, A>.} X. {<.A, A>.}) /\ ran {<.<.<.A, A>., <.A, A>.>., <.A, A>.>.} (_ {<.A, A>.})
3210, 19, 31mpbir2an 730 1 |- <.<.{<.<.A, A>., A>.}, {<.<.A, A>., A>.}>., <.{<.A, <.A, A>.>.}, {<.<.<.A, A>., <.A, A>.>., <.A, A>.>.}>.>. e. Alg
Colors of variables: wff set class
Syntax hints:   <-> wb 146   /\ wa 223   /\ w3a 775   e. wcel 958  Vcvv 1811   (_ wss 2047  {csn 2409  <.cop 2411   X. cxp 3168  dom cdm 3170  ran crn 3171  Fun wfun 3176  -->wf 3178  -1-1-onto->wf1o 3181  Algcalg 10643
This theorem is referenced by:  1ded 10671
This theorem was proved from axioms:  ax-1 4  ax-2 5  ax-3 6  ax-mp 7  ax-7 962  ax-gen 963  ax-8 964  ax-9 965  ax-10 966  ax-11 967  ax-12 968  ax-13 969  ax-14 970  ax-17 971  ax-4 973  ax-5o 975  ax-6o 978  ax-9o 1123  ax-10o 1140  ax-16 1210  ax-11o 1218  ax-ext 1459  ax-sep 2703  ax-nul 2710  ax-pow 2742  ax-pr 2779
This theorem depends on definitions:  df-bi 147  df-or 224  df-an 225  df-3an 777  df-ex 981  df-sb 1172  df-eu 1382  df-mo 1383  df-clab 1464  df-cleq 1469  df-clel 1472  df-ne 1587  df-ral 1649  df-v 1812  df-dif 2049  df-un 2050  df-in 2051  df-ss 2053  df-nul 2281  df-pw 2402  df-sn 2412  df-pr 2413  df-op 2416  df-br 2620  df-opab 2667  df-id 2835  df-xp 3184  df-rel 3185  df-cnv 3186  df-co 3187  df-dm 3188  df-rn 3189  df-fun 3192  df-fn 3193  df-f 3194  df-f1 3195  df-fo 3196  df-f1o 3197  df-alg 10648
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