20110314 
hoelzl 
20110314 
reworked Probability theory: measures are not type restricted to positive extended reals

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20110202 
hoelzl 
20110202 
the measure valuation is again part of the measure_space type, instead of an explicit parameter to the locale;
changed syntax for simple_function, simple_integral, positive_integral, integral and RN_deriv.
introduced binder variants for simple_integral, positive_integral and integral.

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20101201 
hoelzl 
20101201 
Support product spaces on sigma finite measures.
Introduce the almost everywhere quantifier.
Introduce 'morphism' theorems for most constants.
Prove uniqueness of measures on cut stable generators.
Prove uniqueness of the RadonNikodym derivative.
Removed misleading suffix from borel_space and lebesgue_space.
Use product spaces to introduce Fubini on the Lebesgue integral.
Combine Euclidean_Lebesgue and Lebesgue_Measure.
Generalize theorems about mutual information and entropy to arbitrary probability spaces.
Remove simproc mult_log as it does not work with interpretations.
Introduce completion of measure spaces.
Change type of sigma.
Introduce dynkin systems.

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20100407 
hoelzl 
20100407 
Added Information theory and Example: dining cryptographers

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20100316 
hoelzl 
20100316 
Added product measure space

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20100304 
hoelzl 
20100304 
Add Lebesgue integral and probability space.

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20091110 
paulson 
20091110 
Inserted missing theory dependency

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20091109 
wenzelm 
20091109 
eliminated hard tabulators;

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20091028 
paulson 
20091028 
New theory Probability, which contains a development of measure theory

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