False Dilemma
Also known as: black or white, false dichotomy, either-or fallacy
Presenting only two options when more exist, forcing a choice between extremes.
Examples
A workplace debate about a new tool gets flattened into two camps.
Farid: “I have some concerns about switching software this quarter.” Leo: “So you’re either on board with modernizing this team, or you want us stuck in the past. Which is it?”
Farid never said he opposed modernizing — he raised a concern about timing. Leo’s framing erases every option between “fully on board right now” and “wants to be stuck in the past.”
The same shape appears in product debates online.
Comment: “We can have a cheap product or a good one — pick.” Reply: “Plenty of products manage to be both affordable and well made. It depends on the trade-offs, not a fixed rule.”
Why the reasoning fails
A false dilemma presents two options as though they were the only ones available, when in fact more exist — including compromises, alternatives, or a “none of the above.” The reasoning fails because the conclusion depends entirely on the list of options being complete, and it usually isn’t. Once you accept the frame, you’re stuck choosing between two extremes that someone else selected, often ones designed to make one choice look obviously worse.
Sometimes only two options genuinely exist — a coin lands heads or tails, a bill passes or it doesn’t. The fallacy isn’t in having two options; it’s in claiming there are only two when a third is available and simply left out.
How to respond
- Name a third option out loud: “There’s also a middle path — what about doing this in phases?”
- Ask who set up the choice: “Why are those the only two options on the table?”
- Refuse the frame without refusing the conversation: “I don’t think it’s that binary. Can we talk about what’s actually possible?”
- Check that it’s really binary before objecting — some choices genuinely are two-sided, and treating every either-or statement as a fallacy is its own mistake.