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¦P¤@¤¸¯À (identityElement)

An object id is the identity element for BinaryFunction function just in case, for every instance inst, applying function to inst and id results in inst.

Ontology

SUMO / NUMERIC-FUNCTIONS

Class(es)

ºØÃþ
is instance of
  ¥iÄ~©ÓÃö«Y  
is instance of
  ¤G¤¸­zµü  
is instance of
¤£¹ïºÙÃö«Y
is instance of

is instance of
  ¦P¤@¤¸¯À  

Coordinate term(s)

¤Ï­±¨ç¼Æ  ­p¼Æ¨ç¼Æ  ¥¿­±¨ç¼Æ  ¥DÅé¨ç¼Æ  ©ÎµM²v¨ç¼Æ  ªí¥Ö¨ç¼Æ  ©·½u­«¶q  Äݩʠ §@ªÌ  ¥ý©ó©Î¦P®É  »F¦]  ¦¸Ãþ»F¦]  ¤½¥Á  «Ê³¬©ó  ¶ñº¡  ¬Û³sªº  ¥]§t°T®§  ¦@¥Í  ½Æ»s  ¬Û¥æ  ¤é´Á  ­°§C¥i¯à©Ê  µo®i´Á§Î¦¡  µL¥æ¶°  ¤À°t  ¤å¦r»¡©ú  «ùÄò®É¶¡  ¸û¦­  ½sªÌ  ¤¸¯À  ¶±¥Î  ¬Ûµ¥  µ¥¦PÃö«Y©ó  §Q¥Î  ¥H...»y¨¥ªí¹F  ­±¹ï  ®a±ÚÃö«Y  ¶ñ¥R  §¹¦¨  ¦¸¼Æ  ¹Ï³¡¤À  ¤j©ó  ¤j©ó©Îµ¥©ó  ¦³·N¹Ï  ¦³§Þ¥©  ¦b...´Á¶¡¬°¯u  ¶·¨Ï...¬°¯u  ¦³Åv¨Ï...¬°¯u  ¬}  ª½±µ¹ê¨Ò  ª½±µ¦¸ºØÃþ  ¦ê¦C¤¤  ¦bª`·N½d³ò¤¤  ¼W¥[¥i¯à©Ê  ¿W¥ß©ÎµM²v  ©~¦í  §í¨î  ªì©l¤Æ§Ç¦C  ¹ê¨Ò  ­Ë§Ç  «D¤Ï®g©ó...  ¤j©ó  ¤p©ó  ¤p©ó©Îµ¥©ó  ¤è¦¡/±¡ª¬  ª«½è  ´ú¶q  ®É¬q¬Û±µ  ¦¨­û  ±¡ºAÄݩʠ ®É¬q­«Å|  Âù¿Ë  °¾§Ç©ó...  ³¡¤À¶ñ¥R  ³¡¤À¦ì©ó  ¸ô®|ªø  ¬ï¤J  ¾Ö¦³  ¥ý¨M±ø¥ó  Á×§K  ¥¿³¡¤À  ¾A·í¶ñ¥R  ¯S©Ê  ¥Xª©  ½d³ò  ½d³ò¦¸ºØÃþ  ¹ê²{  ´£¤Î  ¤Ï®g©ó...  SUMO¤º³¡¬ÛÃö·§©À  ¥S§Ì©n©f  ¤p©ó  ¶}©l  ¦¸Äݩʠ ¦¸»E¶°  ¦¸¹Ï  ¦¸§Ç¦C  ¦¸¾úµ{  ¦¸©RÃD  ¦¸ºØÃþ  ¦¸Ãö«Y  ¥]§t°T®§ºØÃþ  ¥]§t°T®§¹ê¨Ò  Äò±µÄݩʠ «Ê³¬Äò±µÄݩʠ ªí­±  ®É¶¡³¡¤À  ®É¶¡  ¥þ§Ç©ó...  ¤T¤Àªk  ¨Ï¥Î  ¡]µ²¦X¡^»ù  ¤H³yª«ª©¥» 

Type restrictions

identityElement(¤G¤¸¨ç¼Æ, ¹êÅé)

Related WordNet synsets

identity, identity element, identity operator
an operator that leaves unchanged the element on which it operates; "the identity under numerical multiplication is 1"
identity is kind of (all)...   identity is kind of...  

Axioms (5)

(=>
      (identityElement ?FUNCTION ?ID)
      (forall
            (?INST)
            (=>
                  (and
                        (domain ?FUNCTION 1 ?CLASS)
                        (instance ?INST ?CLASS))
                  (equal
                        (AssignmentFn ?FUNCTION ?ID ?INST)
                        ?INST))))

¬O ­¼ªk¨ç¼Æ ªº ¦P¤@¤¸¯À.
(identityElement MultiplicationFn 1)

¬O ¥[ªk¨ç¼Æ ªº ¦P¤@¤¸¯À.
(identityElement AdditionFn 0)

¬O ´îªk¨ç¼Æ ªº ¦P¤@¤¸¯À.
(identityElement SubtractionFn 0)

¬O °£ªk¨ç¼Æ ªº ¦P¤@¤¸¯À.
(identityElement DivisionFn 1)