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The Medieval Church · c. 1192
The Rules of Theology
Regulae Theologicae
Alan of Lille · c. 1128–1202
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What it is
A hundred and thirty-four axioms for theology in imitation of geometry, opening with the definition of God as an intelligible sphere whose centre is everywhere.
Why it lasted
An attempt to give theology the form of a demonstrative science, three generations before anyone else tried it.
Where to read it
Public domain and free to read in full, though not held here. The archives below have it.
These open a search on each archive rather than a direct link, which is the honest way to point at an edition nobody here has checked line by line.
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