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Book 11
Elementary Stereometry
Theory of planes, coplanar lines, and solid angles
sections :
2
Definitions
Propositions
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Proposition 13.6
Proposition 13.4
Proposition 6.30
Proposition 2.11
Definition 6.3
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Proposition 9.27
Proposition 9.28
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Proposition 9.30
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extreme and mean [15]
lines [12]
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planes [4]
triangles [4]
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boundaries [1]
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