English
If μ is finite on s and μ(s) ≠ 0, then the conditional measure μ[|s] is a probability measure.
Русский
Если μ ограничена на s и μ(s) ≠ 0, то условная мера μ[|s] является вероятностной мерой.
LaTeX
$$$[IsFiniteMeasure\\; μ] \\wedge μ(s) ≠ 0 \\Rightarrow IsProbabilityMeasure(μ[|s])$$$
Lean4
@[inherit_doc ProbabilityTheory.cond, scoped term_parser 1000]
public meta def «term__[|_]» : Lean.TrailingParserDescr✝ :=
ParserDescr.trailingNode✝ `ProbabilityTheory.«term__[|_]» 1024 0
(ParserDescr.binary✝ `andthen
(ParserDescr.binary✝ `andthen
(ParserDescr.binary✝ `andthen (ParserDescr.unary✝ `group (ParserDescr.const✝ `noWs)) (ParserDescr.symbol✝ "[|"))
(ParserDescr.cat✝ `term 0))
(ParserDescr.symbol✝ "]"))