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Ramification may refer to:

• Ramification (mathematics), a geometric term used for 'branching out', in the way that the square root function, for complex numbers, can be seen to have two branches differing in sign.
• Ramification (botany), the divergence of the stem and limbs of a plant into smaller ones
• Ramification group, filtration of the Galois group of a local field extension
• Ramification theory of valuations, studies the set of extensions of a valuation v of a field K to an extension L of K
• Ramification problem, in philosophy and artificial intelligence, concerned with the indirect consequences of an action.
• Type theory, Ramified Theory of Types by mathematician Bertrand Russell

• Disambiguation pages