π-Base
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Property
P000089
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Theorems
Spaces
References
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Value
Id
Name
Source
S1
S8
S9
S11
S12
S13
S15
S16
S17
S18
S32
S42
S51
S60
S67
S83
S84
S85
S86
S129
S139
S140
S143
S145
S168
S169
S201