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Observational vs Undefined - What's the difference?

observational | undefined |

As adjectives the difference between observational and undefined

is that observational is (science) based on or pertaining to scientific observation while undefined is lacking a definition or value.

observational

English

Adjective

(en adjective)
  • (science) Based on or pertaining to scientific observation.
  • *
    •    An alternative way of defending the proposal to conflate NP MOVEMENT with XP MOVEMENT would be to question the observational adequacy of the claim that NP MOVEMENT only ever has NP constituents as its target. Sentences such as the following (from Radford (1981), p. 210) might be used to support the claim that NP MOVEMENT can indeed ‘raise? constituents other than NP:
    (23) (a)      [AP Rather plump''] seems — to be how he likes his girlfriends
    (23) (b)      [PP ''In Paris''] seems — to be where they first met
    (23) (c)      [ADVP ''A little too casually''] seems — to have been how he addressed the judge
    (23) (d)      [CP ''For the Prime Minister to resign     ] would seem — to be unthinkable
  • Pertaining to observation in general.

    • Related terms

    * observationalism * observationalist * observationality

    undefined

    English

    Adjective

    (wikipedia undefined) (-)
  • Lacking a definition or value.
  • (mathematics, computing) That does not have a meaning and is thus not assigned an interpretation.
    • The result of division by zero is undefined .

    Antonyms

    * defined