nonproof
nounEtymology From non- + proof.
1
A failure to prove something; the absence of a proof
- Here is another nonproof of the existence of God.
- In his 1965 paper about his nonproof of the Poincaré Conjecture[…] Dr. Stallings ended on a musing note:2009 January 19, Kenneth Chang, “John R. Stallings Jr., 73, California Mathematician, Is Dead”, in New York Times: