We found one dictionary that defines the word non-constructive proof:

General (1 matching dictionary)

1. Non-constructive proof: Wikipedia, the Free Encyclopedia

▸ Words similar to non-constructive proof ▸ Usage examples for non-constructive proof ▸ Idioms related to non-constructive proof ▸ Wikipedia articles (New!) ▸ Words that often appear near non-constructive proof ▸ Rhymes of non-constructive proof ▸ Invented words related to non-constructive proof