Full Idea
The attempt to prove physical statements on the basis of sensory evidence is defeated by the problem of induction.
Gist of Idea
The induction problem blocks any attempted proof of physical statements
Source
Laurence Bonjour (In Defence of Pure Reason [1998], §3.6)
Book Reference
Bonjour,Laurence: 'In Defense of Pure Reason' [CUP 1998], p.84
A Reaction
This sounds like a logician's use of the word 'prove', which would be a pretty forlorn hope. Insofar as experience proves anything, fully sensing a chair proves its existence.