The conditions of trust. reflections from the capital-labour relationship Insofar as trust is considered as a belief about a relationship, how can we know whether somebody acts in order to guarantee his intention to trust or only acts in order to give an intention of guarantee. As a consequence, a research of the conditions of trust consists in searching the ways in which this underdetermination can overcome. Trust must be grounded on collective beliefs, social practices and rules. Then we bring out two conditions of trust stability: firstly, the emergence of irreversibilities which result of following a rule; secondly, the creation of an interval in which rules operate. In that interval, individual strategies are without ambiguities.Les ...