1. unprovable - Adjective
2. unprovable - Adjective Satellite
not provable
Source: WordNetit was both unproved and unprovable Source: Internet
Ferguson (1974), p. 121 Osborn (1994), p. 7 It is never irrational, as it is founded on the knowledge of the truth of the Logos, but all knowledge proceeds from faith, as first principles are unprovable outside a systematic structure. Source: Internet
Criticisms Finsler Paul Finsler (1926) used a version of Richard's paradox to construct an expression that was false but unprovable in a particular, informal framework he had developed. Source: Internet
For any such system, there will always be statements about the natural numbers that are true, but that are unprovable within the system. Source: Internet
Gödel used a coding procedure to construct an unprovable formula of arithmetic. Source: Internet
In the absence of the axiom of choice, the reverse implications are all unprovable. Source: Internet