ExerciseFOModels-c: Difference between revisions
(Created page with "Here are examples of some relations: ''son-of-someone: {<x,y>|x is the son of y} = {<Tom,Paul>,<Tom,Alice>}'' ''father-of-someone: {<x,y>|x is the father of y} ={<Paul,Tom>...") |
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''enjoy-watching-football-together: {<x,y>| x enjoys watching football with y} = {<Alice,Paul>,<Paul,Alice>,<Alice,Lisa>,<Lisa,Alice>,<Alice,Tom>,<Tom,Alice>,<Paul,Lisa>,<Lisa,Paul>,<Paul,Tom>, <Tom,Paul>,<Tom,Lisa>,<Lisa,Tom>}'' | ''enjoy-watching-football-together: {<x,y>| x enjoys watching football with y} = {<Alice,Paul>,<Paul,Alice>,<Alice,Lisa>,<Lisa,Alice>,<Alice,Tom>,<Tom,Alice>,<Paul,Lisa>,<Lisa,Paul>,<Paul,Tom>, <Tom,Paul>,<Tom,Lisa>,<Lisa,Tom>}'' | ||
====Navigation==== | |||
* the [[Exercise_First_Order_Models|current exercise]] | |||
* the [[Exercise-ch2|exercises for chapter 2]] | |||
* the material for [[Textbook-chapters#Chapter_2:_Predicate_logic|chapter 2]] | |||
* the overview over [[Textbook-chapters|all chapters]] |
Revision as of 14:24, 22 May 2013
Here are examples of some relations:
son-of-someone: {<x,y>|x is the son of y} = {<Tom,Paul>,<Tom,Alice>}
father-of-someone: {<x,y>|x is the father of y} ={<Paul,Tom>,<Paul,Lisa>}
daughter-of-someone: {<x,y>| x is the daughter of y} = {<Lisa,Paul>,<Lisa,Alice>}
mother-of-someone: {<x,y>| x is the mother of y} ={<Alice,Lisa>,<Alice,Paul>}
brother-of-someone: {<x,y>|x is the brother of y} = {<Tom,Lisa>}
sister-of-someone: {<x,y>| x is the sister of y} = {<Lisa,Tom>}
dog-of-someone: {<x,y>| x is the dog of y} = {<Walter,Alice>,<Walter,Paul>,<Walter,Tom>,<Walter,Lisa>}
married-to-eachother: {<x,y>| x is married to y} = {<Alice,Paul>,<Paul,Alice}
enjoy-watching-football-together: {<x,y>| x enjoys watching football with y} = {<Alice,Paul>,<Paul,Alice>,<Alice,Lisa>,<Lisa,Alice>,<Alice,Tom>,<Tom,Alice>,<Paul,Lisa>,<Lisa,Paul>,<Paul,Tom>, <Tom,Paul>,<Tom,Lisa>,<Lisa,Tom>}
- the current exercise
- the exercises for chapter 2
- the material for chapter 2
- the overview over all chapters