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# begin fn (BeginFn)

A UnaryFunction that maps a TimeInterval to the TimePoint at which the interval begins.

## Ontologie

SUMO / TEMPORAL-CONCEPTS

## Class(es)

 třída

inheritable relation

časová relace
 třída

inheritable relation

unární funkce

begin fn

## Související termín(y)

absolute value fn  abstraction fn  arc cosine fn  arc sine fn  arc tangent fn  back fn  begin node fn  cardinality fn  ceiling fn  complement fn  cosine fn  cut set fn  day fn  denominator fn  end fn  end node fn  extension fn  floor fn  front fn  future fn  generalized intersection fn  generalized union fn  giga fn  hour fn  imaginary part fn  immediate future fn  immediate past fn  initial node fn  integer square root fn  kilo fn  list length fn  magnitude fn  mega fn  micro fn  milli fn  minimal cut set fn  minute fn  month fn  nano fn  numerator fn  organization fn  past fn  path weight fn  pico fn  power set fn  predecessor fn  principal host fn  probability fn  property fn  rational number fn  real number fn  reciprocal fn  recurrent time interval fn  relative time fn  round fn  second fn  signum fn  sine fn  skin fn  square root fn  successor fn  tangent fn  temporal composition fn  tera fn  terminal node fn  time interval fn  wealth fn  when fn  year fn  before  before or equal  cooccur  earlier  finishes  meets temporally  overlaps temporally  temporally between  temporally between or equal  time

## Typy argumentů

okamžik BeginFn(časový interval)

## Related WordNet synsets

beginning
the event consisting of the start of something: "the beginning of the war"

birth
the time when something begins (especially life); "they divorced after the birth of the child" or "his election signaled the birth of a new age"

terminus a quo, starting point
earliest limiting point

See more related synsets on a separate page.

## Axiomy (16)

• jestliže "the beginning of interval" se rovná point,
• potom pro všechny otherpoint platí: jestliže otherpoint je a part of interval a otherpoint se nerovná point, potom point happens before otherpoint
• .
```(=>
(equal
(BeginFn ?INTERVAL)
?POINT)
(forall
(?OTHERPOINT)
(=>
(and
(temporalPart ?OTHERPOINT ?INTERVAL)
(not
(equal ?OTHERPOINT ?POINT)))
(before ?POINT ?OTHERPOINT))))```

Jestliže process začíná v obj, potom "místo kde process byl v čase the beginning of doba existence process" je located at "místo kde obj byl v čase the beginning of doba existence obj".
```(=>
(origin ?PROCESS ?OBJ)
(located
(WhereFn
?PROCESS
(BeginFn
(WhenFn ?PROCESS)))
(WhereFn
?OBJ
(BeginFn
(WhenFn ?OBJ)))))```

interval1 starts interval2 tehdy a jen tehdy pokud "the beginning of interval1" se rovná "the beginning of interval2" a "the end of interval1" happens before the end of interval2.
```(<=>
(starts ?INTERVAL1 ?INTERVAL2)
(and
(equal
(BeginFn ?INTERVAL1)
(BeginFn ?INTERVAL2))
(before
(EndFn ?INTERVAL1)
(EndFn ?INTERVAL2))))```

interval1 finishes interval2 tehdy a jen tehdy pokud "the beginning of interval2" happens before the beginning of interval1 a "the end of interval2" se rovná "the end of interval1".
```(<=>
(finishes ?INTERVAL1 ?INTERVAL2)
(and
(before
(BeginFn ?INTERVAL2)
(BeginFn ?INTERVAL1))
(equal
(EndFn ?INTERVAL2)
(EndFn ?INTERVAL1))))```

```(=>
(result ?PROC ?OBJ)
(forall
(?TIME)
(=>
(before
?TIME
(BeginFn
(WhenFn ?PROC)))
(not
(time ?OBJ ?TIME)))))```

phys exists during time a time je instancí třídy okamžik tehdy a jen tehdy pokud time je between or at "the beginning of doba existence phys" and "the end of doba existence phys".
```(<=>
(and
(time ?PHYS ?TIME)
(instance ?TIME TimePoint))
(temporallyBetweenOrEqual
(BeginFn
(WhenFn ?PHYS))
?TIME
(EndFn
(WhenFn ?PHYS))))```

Jestliže interval1 takes place during interval2, potom "the end of interval1" happens before the end of interval2 a "the beginning of interval2" happens before the beginning of interval1.
```(=>
(during ?INTERVAL1 ?INTERVAL2)
(and
(before
(EndFn ?INTERVAL1)
(EndFn ?INTERVAL2))
(before
(BeginFn ?INTERVAL2)
(BeginFn ?INTERVAL1))))```

interval1 meets interval2 tehdy a jen tehdy pokud "the end of interval1" se rovná "the beginning of interval2".
```(<=>
(meetsTemporally ?INTERVAL1 ?INTERVAL2)
(equal
(EndFn ?INTERVAL1)
(BeginFn ?INTERVAL2)))```

Jestliže "the beginning of interval1" se rovná "the beginning of interval2" a "the end of interval1" se rovná "the end of interval2", potom interval1 se rovná interval2.
```(=>
(and
(equal
(BeginFn ?INTERVAL1)
(BeginFn ?INTERVAL2))
(equal
(EndFn ?INTERVAL1)
(EndFn ?INTERVAL2)))
(equal ?INTERVAL1 ?INTERVAL2))```

interval1 happens earlier than interval2 tehdy a jen tehdy pokud "the end of interval1" happens before the beginning of interval2.
```(<=>
(earlier ?INTERVAL1 ?INTERVAL2)
(before
(EndFn ?INTERVAL1)
(BeginFn ?INTERVAL2)))```

Jestliže "interval between point1 and point2" se rovná interval, potom "the beginning of interval" se rovná point1 a "the end of interval" se rovná point2.
```(=>
(equal
(TimeIntervalFn ?POINT1 ?POINT2)
?INTERVAL)
(and
(equal
(BeginFn ?INTERVAL)
?POINT1)
(equal
(EndFn ?INTERVAL)
?POINT2)))```

Jestliže thing je instancí třídy fyzický objekt, potom "the beginning of doba existence thing" happens before the end of doba existence thing.
```(=>
(instance ?THING Physical)
(before
(BeginFn
(WhenFn ?THING))
(EndFn
(WhenFn ?THING))))```

Jestliže process je instancí třídy fyzický objekt, potom "před doba existence process" se rovná "interval between negative infinity and "the beginning of doba existence process"".
```(=>
(instance ?PROCESS Physical)
(equal
(PastFn
(WhenFn ?PROCESS))
(TimeIntervalFn
NegativeInfinity
(BeginFn
(WhenFn ?PROCESS)))))```

Jestliže parent je a parent of child, potom "the beginning of doba existence parent" happens before the beginning of doba existence child.
```(=>
(parent ?CHILD ?PARENT)
(before
(BeginFn
(WhenFn ?PARENT))
(BeginFn
(WhenFn ?CHILD))))```

• jestliže artifact je instancí třídy nemovitost,
• potom existuje place tak, že pro všechny time platí: jestliže time happen?{s} before or at "the end of doba existence artifact" a "the beginning of doba existence artifact" happen?{s} before or at time, potom "místo kde artifact byl v čase time" se rovná place
• .
```(=>
(instance ?ARTIFACT StationaryArtifact)
(exists
(?PLACE)
(forall
(?TIME)
(=>
(and
(beforeOrEqual
?TIME
(EndFn
(WhenFn ?ARTIFACT)))
(beforeOrEqual
(BeginFn
(WhenFn ?ARTIFACT))
?TIME))
(equal
(WhereFn ?ARTIFACT ?TIME)
?PLACE)))))```

Jestliže fully formed je atributem obj, potom existuje růst growth tak, že obj prodělává growth a non fully formed je atributem obj the beginning of doba existence obj.
```(=>
(attribute ?OBJ FullyFormed)
(exists
(?GROWTH)
(and
(instance ?GROWTH Growth)
(experiencer ?GROWTH ?OBJ)
(holdsDuring
(BeginFn
(WhenFn ?OBJ))
(attribute ?OBJ NonFullyFormed)))))```