Operations and the Making of Scientific Objects . . 15
The Role of Emniriral Ortprations and Model Construction in the Ontological Commitments of Science . . 21
Operational Approach to a Logic of Quantum Physics . . 41
An Operational Approach to Quantum Mechanics Avoiding the Problem of Objectification . . 61
An Abstract Scientific Construction to Study Organization and Connection: Networks . . 85
A Solution for Different Types of Liar Paradoxes . . 95
Operations versus Ontology in the Foundations of Mathematics . . 107
On Lorenzen's Constrtictivist/Onprativist Approach to the Formal Sciences . . 127