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Your words and thoughts matter, and we’ve designed our paraphrase tool to ensure find the best words to match your expression. Just paste or start writing your text in our input box above, and our best in class AI will help you to generate the best paraphrases from your original writing.
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Rephrasely uses state-of-the-art AI to paraphrase and compose in more than 100+ languages
Rephrasely uses state-of-the-art AI to produce variations of your text in more than 100+ languages for each of the eighteen (12 free and 6 premium) styles that we offer. By doing this, we are able to offer more value and variety than any other service.
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What Is the Appeal to Ignorance Fallacy?
An appeal to ignorance argues that something must be true because it hasn't been proven false, or false because it hasn't been proven true. The absence of evidence is treated as evidence, when it's actually just an absence.
Also known as Argumentum ad Ignorantiam, this is a informal fallacy — the error lies in the content or context of the argument rather than its formal structure.
How to Spot It
Example
"Nobody has proven that this supplement doesn't work, so it must be effective." Lack of disproof is not the same as proof.
A Stronger Version
"Two randomized controlled trials found no statistically significant benefit from this supplement compared to placebo. Until positive evidence emerges, there's no reason to expect it works."
Warning Signs
- Claiming something is true because it hasn't been disproven
- Claiming something is false because it hasn't been proven
- Shifting the burden of proof to the skeptic
- Treating unknowns as confirmation
How to Fix It
The burden of proof falls on whoever makes the claim. 'We don't know it's false' is very different from 'we know it's true.' Look for positive evidence rather than relying on the absence of negative evidence.
Paste your text above to scan for appeal to ignorance fallacy patterns and other reasoning errors. Each flagged passage includes an explanation and a suggestion for making the argument stronger.
Related Tools
Try our grammar checker to catch errors automatically, or use the paraphrasing tool to improve sentence clarity.