Ulpian's life table
... that Ulpian's life table predicted a life expectancy of 19 to 23 years for citizens of the Roman Empire?
... that <b id="mwDDQ"><a href="./Ulpian's_life_table" id="mwDDU" rel="mw:WikiLink" title="Ulpian's life table">Ulpian's life table</a></b> predicted a <a href="./Life_expectancy" id="mwDDY" rel="mw:WikiLink" title="Life expectancy">life expectancy</a> of 19 to 23 years for citizens of the <a href="./Ancient_Rome" id="mwDDc" rel="mw:WikiLink" title="Ancient Rome">Roman Empire</a>?