Duality refers to the concept of having two contrasting or complementary aspects or states. It implies the existence of two opposing or mutually exclusive elements that coexist or interact with each other.
In the context of wave-particle duality in quantum mechanics, it refers to the observation that particles, such as electrons, can exhibit both wave-like and particle-like properties. This duality means that particles can behave as discrete entities (particles) with well-defined positions and momenta, as well as exhibit wave-like phenomena such as diffraction and interference.
To be free from duality, in a philosophical or spiritual sense, typically refers to transcending or going beyond the perception of opposites, contradictions, or conflicting states. It implies a state of unity or non-differentiation, where distinctions and divisions cease to be perceived or have any significance.
In various philosophical and spiritual traditions, the notion of being free from duality is often associated with a sense of oneness, wholeness, or interconnectedness. It is seen as a state of awareness or consciousness where the illusion of separateness and the inherent conflicts and contradictions that arise from dualistic thinking are transcended.
Attaining freedom from duality is often considered a spiritual or philosophical goal, and different paths and practices are suggested by different traditions to achieve this state of unity or non-duality. The concept of freedom from duality can be found in philosophies such as Advaita Vedanta, Zen Buddhism, and certain interpretations of Taoism, among others.
It's important to note that the understanding and interpretation of duality and its transcendence can vary across different philosophical, spiritual, and cultural contexts.