Legal Maxim's

Ei incumbit probatio qui
— The onus of proving a fact rests upon the man.
Ei incumbit probatio qui dicit, non qui negat
— The burden of the proof lies upon him who affirms, not he who denies.
Error, qui non resistitur approbatur
— An error not resisted is approved.
Et cetera
— Other things of that type.
Ex cathedra
— With official authority.
Ex concessis
— In view of what has already been accepted
Ex dolo malo actio non oritur
— A right of action cannot arise out of fraud.
Ex facie
— On the fact of it.
Ex gratia
— Out of kindness, voluntary.
Ex nihilo nil fit
— From nothing nothing comes.
Ex nudo pacto actio non oritur
— No action arises on a contract without a consideration.
Ex parte
— Proceeding brought by one person in the absence of another.
Ex post facto
— By reason of a subsequent act.
Ex turpi causa non oritur actio
— No action arises on an immoral contract.
Exceptio probat regulam
— An exception proves the rule.
Executio est executio juris secundum judicium
— Execution is the fulfillment of the law in accordance with the judgment.
Executio est finis et fructus legis
— An execution is the end and the fruit of the law.
Executio legis non habet injuriam
— Execution of the law does no injury.
Extra legem positus est civiliter mortuus
— One out of the pale of the law (i.e. an outlaw) is civilly dead.