But however indubitable that conclusion and the officer's conviction based upon it, Pierre felt it necessary to disillusion him.
His work has the value that attaches to a record written by one chronicling the events of his own times, gifted with ordinary powers of observation, indubitable candour and independence of view.
That there are in the Eddas and Sagas early ideas and later ideas tinged by Christian legend seems indubitable, but philological and historical learning has by no means settled the questions of relative purity and antiquity tin the myths.
Philosophical subjectivism also raises serious doubts about the possibility of certain (or indubitable) knowledge.
For a Frenchman that deduction was indubitable.