The positivist position, in its developed form, was that a statement has factual meaning only if it is capable in principle of being verified or falsified, or at least in some degree confirmed or disconfirmed, within human experience; otherwise it is meaningless, or cognitively vacuous.
A representative denial that either is possible is Ayer (1936), according to which '… no proposition is capable, even in principle, of being verified conclusively, but only at best of being rendered highly probable' (p. 135).
The third part deals with the DEM numerical simulation of isotropic and biaxial compression tests to investigate the bonding effects on the mechanical behaviors of bonded sands, where the proposed model has been verified capable of capturing the main mechanical behaviors of bonded sands.
Thus the proof of concept that SLC-selected spermatozoa are capable of fertilization after prolonged storage has been verified.
Thus the implementation of this novel heat pump water heater was verified to be capable of reducing energy usage and CO2 emissions significantly.
The Cowper-Symonds model is verified to be capable of describing the dynamic behavior of Q420 steel at the lower strain rates.
The composite controller is verified to be capable of improving position accuracy significantly.
Then a realistic graphene-chain device is proposed and is verified to be capable of applying strains up to 9% on the chain, suggesting potential applications in nano-size electro-optical and polarization devices with tunable working wavelengths from 345 to 561 nm.
It is verified that DPCs were capable of differentiating into odontoblasts, adipocytes, chondrocytes, and so forth [ 1].
