Sure it is. For reasonable people. If you can find no evidence then obviously your only recourse is blind faith and wishful thinking. Looking for evidence, and finding none, is evidence of its absence.
Only an idiot would search his pockets for change and, finding none, then claim "I find no evidence of change in my pockets but that is not evidence that my pockets have no change"
Sure it is. For reasonable people.
You obviously have no formal training in reasoning (or none that stuck with you) and you didn't click on the link.
What reasonable, and reasonably well educated (
i.e., having more than an eighth grade education in English) users of English do when remarking upon a matter for there is an absence of evidence is maintain/indicate a skeptical stance/tone when sharing their thoughts with others. They do not assert one way or the other on the matter until appears substantively incontrovertible evidence for or against the matter in question. Accordingly, reasonable people would write or say something like:
- Examples of explicit language that express an element of uncertainty:
- There appears to be no evidence/proof of....
- To date, we have not been shown any incontrovertible evidence/proof of...
- Examples of verb mood to convey the idea that something is not established as fact:
- Were there evidence/proof of...
- Any evidence/proof there be of...
- If there be evidence/proof of....
- There might be evidence of...
You used none of those ways.