Before revision: Other concepts Another core meaning has been elicited by Denis Berthier, in his 2004 book Méditations sur le réel et le virtuel ("Meditations on the real and the virtual"), based on uses in science (virtual image), technology (virtual world), and etymology (derivation from virtue—Latin virtus).
After revision: Other writers Another core meaning has been elicited by Denis Berthier, in his 2004 book Méditations sur le réel et le virtuel ("Meditations on the real and the virtual"), based on uses in science (virtual image), technology (virtual world), and etymology (derivation from virtue—Latin virtus).