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## is_vocab/1
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Suche dir aus den folgenden vier Notationen eines Vokabulars eine aus und schreibe das dazu passende Prädikat `is_vocab/1`.
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Danach kannst du deinen Code testen, indem du die zugehörige Anfrage an dein Programm stellst.
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% Prolog representation of a vocabulary (1)
% is_vocab1([[love,2], [hate,2], [customer,1], [vincent,0], [honey_bunny,0]]).

% Implementiere hier das Prädikat is_vocab1
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% Prolog representation of a vocabulary (2)
% is_vocab2([(love,2), (hate,2), (customer,1), (vincent,0), (honey_bunny,0)]).

% Implementiere hier das Prädikat is_vocab2
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% Prolog representation of a vocabulary (3)
% is_vocab3([relation(love,2), relation(robber,1), constant(vincent), constant(mia)]).

% Implementiere hier das Prädikat is_vocab3
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% Prolog representation of a vocabulary (4)
% is_vocab4([relation(love,2), relation(sad,1), constant(butch,0), constant(mia,0)]).

% Implementiere hier das Prädikat is_vocab4
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### Testen der Lösung
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% Anfrage zu is_vocab1 
is_vocab1([[love,2], [hate,2], [customer,1], [vincent,0], [honey_bunny,0]]).
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% Anfrage zu is_vocab2
is_vocab2([(love,2), (hate,2), (customer,1), (vincent,0), (honey_bunny,0)]).
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% Anfrage zu is_vocab3
is_vocab3([relation(love,2), relation(robber,1), constant(vincent), constant(mia)]).
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% Anfrage zu is_vocab4
is_vocab4([relation(love,2), relation(sad,1), constant(butch,0), constant(mia,0)]).
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