PlanetMath (more info)
 Math for the people, by the people. Sponsor PlanetMath
Encyclopedia | Requests | Forums | Docs | Wiki | Random | RSS  
Login
create new user
name:
pass:
forget your password?
Main Menu
Owner confidence rating: Very high Entry average rating: No information on entry rating
[parent] universal assumption (Definition)

Given a biconditional statement, a universal assumption is an assumption that can be used in a proof of both the necessity and sufficiency directions.

For an example of a universal assumption, please see the entry continuous functions on the extended real numbers.




"universal assumption" is owned by Wkbj79.
(view preamble | get metadata)

View style:

See Also: necessary and sufficient

Other names:  universal hypothesis

This object's parent.
Log in to rate this entry.
(view current ratings)

Cross-references: continuous functions on the extended real numbers, sufficiency, necessity, proof, biconditional
There is 1 reference to this entry.

This is version 2 of universal assumption, born on 2007-06-03, modified 2007-06-04.
Object id is 9515, canonical name is UniversalAssumption.
Accessed 1343 times total.

Classification:
AMS MSC03B05 (Mathematical logic and foundations :: General logic :: Classical propositional logic)
 03F07 (Mathematical logic and foundations :: Proof theory and constructive mathematics :: Structure of proofs)

Pending Errata and Addenda
None.
Discussion
Style: Expand: Order:
forum policy

No messages.

Interact
post | correct | update request | add derivation | add example | add (any)