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Theorem elrnoprabg 4124
Description: Membership in the range of an operation class abstraction.
Hypothesis
Ref Expression
elrnoprabg.1 |- F = {<.<.x, y>., z>. | ((x e. A /\ y e. B) /\ z = C)}
Assertion
Ref Expression
elrnoprabg |- (A.x e. A A.y e. B C e. R -> (D e. ran F <-> E.x e. A E.y e. B D = C))
Distinct variable groups:   x,y,z,A   x,B,y,z   z,C   x,D,y

Proof of Theorem elrnoprabg
StepHypRef Expression
1 elisset 1817 . . . . 5 |- (C e. R -> C e. V)
21r19.20si 1706 . . . 4 |- (A.y e. B C e. R -> A.y e. B C e. V)
32r19.20si 1706 . . 3 |- (A.x e. A A.y e. B C e. R -> A.x e. A A.y e. B C e. V)
4 elrnoprabg.1 . . . 4 |- F = {<.<.x, y>., z>. | ((x e. A /\ y e. B) /\ z = C)}
54fnoprab2g 4121 . . 3 |- (A.x e. A A.y e. B C e. V <-> F Fn (A X. B))
63, 5sylib 198 . 2 |- (A.x e. A A.y e. B C e. R -> F Fn (A X. B))
7 fvelrnb 3760 . . 3 |- (F Fn (A X. B) -> (D e. ran F <-> E.w e. (A X. B)(F` w) = D))
8 hbra1 1687 . . . . 5 |- (A.x e. A A.y e. B C e. R -> A.xA.x e. A A.y e. B C e. R)
9 ax-17 971 . . . . . . . 8 |- (x e. A -> A.y x e. A)
10 hbra1 1687 . . . . . . . 8 |- (A.y e. B C e. R -> A.yA.y e. B C e. R)
119, 10hbral 1686 . . . . . . 7 |- (A.x e. A A.y e. B C e. R -> A.yA.x e. A A.y e. B C e. R)
1211, 9hban 1009 . . . . . 6 |- ((A.x e. A A.y e. B C e. R /\ x e. A) -> A.y(A.x e. A A.y e. B C e. R /\ x e. A))
13 ra42 1696 . . . . . . . . 9 |- (A.x e. A A.y e. B C e. R -> ((x e. A /\ y e. B) -> C e. R))
144oprabval4g 4031 . . . . . . . . . . . 12 |- ((x e. A /\ y e. B /\ C e. R) -> (xFy) = C)
1514eqeq1d 1483 . . . . . . . . . . 11 |- ((x e. A /\ y e. B /\ C e. R) -> ((xFy) = D <-> C = D))
16 eqcom 1477 . . . . . . . . . . 11 |- (C = D <-> D = C)
1715, 16syl6bb 536 . . . . . . . . . 10 |- ((x e. A /\ y e. B /\ C e. R) -> ((xFy) = D <-> D = C))
18173expia 835 . . . . . . . . 9 |- ((x e. A /\ y e. B) -> (C e. R -> ((xFy) = D <-> D = C)))
1913, 18sylcom 51 . . . . . . . 8 |- (A.x e. A A.y e. B C e. R -> ((x e. A /\ y e. B) -> ((xFy) = D <-> D = C)))
2019exp3a 375 . . . . . . 7 |- (A.x e. A A.y e. B C e. R -> (x e. A -> (y e. B -> ((xFy) = D <-> D = C))))
2120imp31 362 . . . . . 6 |- (((A.x e. A A.y e. B C e. R /\ x e. A) /\ y e. B) -> ((xFy) = D <-> D = C))
2212, 21rexbida 1658 . . . . 5 |- ((A.x e. A A.y e. B C e. R /\ x e. A) -> (E.y e. B (xFy) = D <-> E.y e. B D = C))
238, 22rexbida 1658 . . . 4 |- (A.x e. A A.y e. B C e. R -> (E.x e. A E.y e. B (xFy) = D <-> E.x e. A E.y e. B D = C))
24 fveq2 3724 . . . . . . . 8 |- (w = <.v, u>. -> (F` w) = (F` <.v, u>.))
25 df-opr 3965 . . . . . . . 8 |- (vFu) = (F` <.v, u>.)
2624, 25syl6eqr 1525 . . . . . . 7 |- (w = <.v, u>. -> (F` w) = (vFu))
2726eqeq1d 1483 . . . . . 6 |- (w = <.v, u>. -> ((F` w) = D <-> (vFu) = D))
2827rexxp 3219 . . . . 5 |- (E.w e. (A X. B)(F` w) = D <-> E.v e. A E.u e. B (vFu) = D)
29 ax-17 971 . . . . . . 7 |- (u e. B -> A.x u e. B)
30 ax-17 971 . . . . . . . . 9 |- (w e. v -> A.x w e. v)
31 hboprab1 3993 . . . . . . . . . 10 |- (w e. {<.<.x, y>., z>. | ((x e. A /\ y e. B) /\ z = C)} -> A.x w e. {<.<.x, y>., z>. | ((x e. A /\ y e. B) /\ z = C)})
324, 31hbxfr 1563 . . . . . . . . 9 |- (w e. F -> A.x w e. F)
33 ax-17 971 . . . . . . . . 9 |- (w e. u -> A.x w e. u)
3430, 32, 33hbopr 3981 . . . . . . . 8 |- (w e. (vFu) -> A.x w e. (vFu))
35 ax-17 971 . . . . . . . 8 |- (w e. D -> A.x w e. D)
3634, 35hbeq 1565 . . . . . . 7 |- ((vFu) = D -> A.x(vFu) = D)
3729, 36hbrex 1688 . . . . . 6 |- (E.u e. B (vFu) = D -> A.xE.u e. B (vFu) = D)
38 ax-17 971 . . . . . 6 |- (E.u e. B (xFu) = D -> A.vE.u e. B (xFu) = D)
39 opreq1 3968 . . . . . . . 8 |- (v = x -> (vFu) = (xFu))
4039eqeq1d 1483 . . . . . . 7 |- (v = x -> ((vFu) = D <-> (xFu) = D))
4140rexbidv 1664 . . . . . 6 |- (v = x -> (E.u e. B (vFu) = D <-> E.u e. B (xFu) = D))
4237, 38, 41cbvrex 1799 . . . . 5 |- (E.v e. A E.u e. B (vFu) = D <-> E.x e. A E.u e. B (xFu) = D)
43 ax-17 971 . . . . . . . . 9 |- (w e. x -> A.y w e. x)
44 hboprab2 3994 . . . . . . . . . 10 |- (w e. {<.<.x, y>., z>. | ((x e. A /\ y e. B) /\ z = C)} -> A.y w e. {<.<.x, y>., z>. | ((x e. A /\ y e. B) /\ z = C)})
454, 44hbxfr 1563 . . . . . . . . 9 |- (w e. F -> A.y w e. F)
46 ax-17 971 . . . . . . . . 9 |- (w e. u -> A.y w e. u)
4743, 45, 46hbopr 3981 . . . . . . . 8 |- (w e. (xFu) -> A.y w e. (xFu))
48 ax-17 971 . . . . . . . 8 |- (w e. D -> A.y w e. D)
4947, 48hbeq 1565 . . . . . . 7 |- ((xFu) = D -> A.y(xFu) = D)
50 ax-17 971 . . . . . . 7 |- ((xFy) = D -> A.u(xFy) = D)
51 opreq2 3969 . . . . . . . 8 |- (u = y -> (xFu) = (xFy))
5251eqeq1d 1483 . . . . . . 7 |- (u = y -> ((xFu) = D <-> (xFy) = D))
5349, 50, 52cbvrex 1799 . . . . . 6 |- (E.u e. B (xFu) = D <-> E.y e. B (xFy) = D)
5453rexbii 1668 . . . . 5 |- (E.x e. A E.u e. B (xFu) = D <-> E.x e. A E.y e. B (xFy) = D)
5528, 42, 543bitr 177 . . . 4 |- (E.w e. (A X. B)(F` w) = D <-> E.x e. A E.y e. B (xFy) = D)
5623, 55syl5bb 532 . . 3 |- (A.x e. A A.y e. B C e. R -> (E.w e. (A X. B)(F` w) = D <-> E.x e. A E.y e. B D = C))
577, 56sylan9bbr 541 . 2 |- ((A.x e. A A.y e. B C e. R /\ F Fn (A X. B)) -> (D e. ran F <-> E.x e. A E.y e. B D = C))
586, 57mpdan 704 1 |- (A.x e. A A.y e. B C e. R -> (D e. ran F <-> E.x e. A E.y e. B D = C))
Colors of variables: wff set class
Syntax hints:   -> wi 3   <-> wb 146   /\ wa 223   /\ w3a 775   = wceq 956   e. wcel 958  A.wral 1645  E.wrex 1646  Vcvv 1811  <.cop 2411   X. cxp 3168  ran crn 3171   Fn wfn 3177  ` cfv 3182  (class class class)co 3963  {copab2 3964
This theorem is referenced by:  elrnoprab 4125  blrn 7841
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  ax-un 2866
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-rex 1650  df-v 1812  df-sbc 1942  df-csb 2002  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-uni 2504  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-res 3190  df-ima 3191  df-fun 3192  df-fn 3193  df-f 3194  df-fv 3198  df-opr 3965  df-oprab 3966  df-1st 4079  df-2nd 4080
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