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Dependency map

Each result is linked to the results that use it, taken from the “Used in” lines under every statement. Use it to see what a theorem rests on before you read its proof, or what depends on it before you skip it. Nodes are coloured by your saved progress: a result counts as read once you have marked its section as read.

Keyboard shortcuts

Single-key shortcuts
KeyAction
nNext section
pPrevious section
jNext exercise
kPrevious exercise
hShow or hide all hints
sShow or hide all solutions
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?Show this list
Ctrl K or ⌘ KSearch (built in)
EscClose a dialog

Shortcuts never fire while you type in a text field or hold Ctrl, Alt or ⌘. Screen reader users in browse mode can press the keys after switching to focus mode, or turn them off here.