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hekate:dl_intro [2010/04/22 13:22] ikaf scheme removed |
hekate:dl_intro [2019/06/27 15:49] (current) |
~~SLIDESHOW~~ | ~~SLIDESHOW~~ |
~~ODT~~ | ~~ODT~~ |
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* <latex> cat(Tibbs)</latex> Tibbs is a cat | * <latex> cat(Tibbs)</latex> Tibbs is a cat |
* role assertions e.g. | * role assertions e.g. |
* <latex> has\_pet(Fred, Tibbs)</latex> - Fred has a pet which is Tibbs | * <latex> has\_pet(Fred, Tibbs) </latex> - Fred has a pet which is Tibbs |
* statements about concepts | * statements about concepts |
* concept definitions (__necessary and sufficient__ conditions) e.g. | * concept definitions (__necessary and sufficient__ conditions) e.g. |
|An animal lover **has minimun 3 pets** | <latex> \geq nP </latex> | <latex> \exists^{\geq n}y.P(x,y)</latex> | <latex> card(P) \geq n </latex> | | |An animal lover **has minimun 3 pets** | <latex> \geq nP </latex> | <latex> \exists^{\geq n}y.P(x,y)</latex> | <latex> card(P) \geq n </latex> | |
|A kid **is the same as** a young person |<latex> C \equiv D </latex> | <latex> \forall x.C(x) \leftrightarrow D(x) </latex> | <latex> C \equiv D </latex> | | |A kid **is the same as** a young person |<latex> C \equiv D </latex> | <latex> \forall x.C(x) \leftrightarrow D(x) </latex> | <latex> C \equiv D </latex> | |
|**Every cat is an animal** | <latex> C \sqsubseteq D </latex> | <latex> \forall x.C(x) \rightarrow D(x) </latex> | <latex> C \subseteq D </latex> | | |**Every cat is an animal** | <latex> C \sqsubseteq D </latex> | <latex> \forall x.C(x) \rightarrow D(x) </latex> | <latex> C \subseteq D </latex> | |
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