15.8.6 Infinitive without subject

Usually we need a subject to know, who is doing something in a sentence. However, there are some cases (again not different from English), where there is no subject in a sentence with an infinitive.

Interdit de fumer!
No smoking! (Smoking prohibited)
Ajouter un demi litre de lait et laisser bouillir.
Add half a litre of milk and let is boil.
General statements
Plutôt se battre et mourir que vivre en servitude.
  Rather fight and die than to live in slavery.

contact privacy statement imprint