Trees, maps, and theorems
Effective communication for rational minds

Principiæ is a training and consulting business
based in Brussels, Belgium, and active worldwide.
We run a range of training sessions and advise
on “effective communication for rational minds”
in English, French, Dutch, and Spanish. We also
(help our clients) create professional documents.

Publishing Trees, maps, and theorems is in line
with our mission to help professionals structure
their thoughts and construct their communication
in an effective and efficient way. Needless to say,
we use the book as support for our own sessions,
besides making it available to others worldwide.

For more information on who we are, what we do,
and for whom we do it, please visit our website
www.principiae.be. For help with placing an order
or for questions, contact us at .

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