A field guide to the ways reasoning breaks
False choices and ranges
Also called Camel's nose, domino fallacy
Claiming one small step must lead to an extreme outcome, without defending the links.
Allow remote Fridays and no one will ever come in again.
Ask for the probability of each link in the chain, then multiply them.
The image is classical: Cicero has Laelius warn that affairs, once started, glide readily down the path of ruin. In modern logic Alfred Sidgwick described it in 1910 as the 'thin end of a wedge' objection, and English-language debate has kept the slope picture ever since — lawyers prefer a 'parade of horribles', politicians a 'camel's nose in the tent'.
If we let the intern present to the client today, next year interns will be running whole accounts.
If the city approves one food truck on this street, the block will turn into a permanent market.
Let them move one deadline and soon no date in the calendar will mean anything.
Allow one chart to skip review and the whole data culture collapses into guesswork.