Invalid

Invalid may refer to:

Patient, a sick person
A person with a disability

As the opposite of valid:

Validity, in logic, true premises cannot lead to a false conclusion
Validity (statistics), a measure which is measuring what it is supposed to measure
.invalid, a top-level domain not intended for real use

A patient is any person who receives medical attention care or treatment. The term validity (also called logical truth, analytic truth, or necessary truth) as it occurs in Logic refers generally to a property of In Psychology, validity has two distinct fields of application

Dictionary

-adjective

Not valid; not true, correct, acceptable or appropriate.

-noun

One who is confined to home or bed due to illness, disability or injury
Any person with disability, e.g. invalid carriage

© 2009 citizendia.org; parts available under the terms of GNU Free Documentation License, from http://en.wikipedia.org
network: | |