Exploring Key Concepts: Universe, Nature, and Reality
Classified in Philosophy and ethics
Written at on 
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Definitions
Universe
All that exists, apart from which there is nothing.
Scientific Paradigm
A model of the scientific worldview that predominates in each historical stage.
Nature
The set of realities that form the entire universe, excluding anything artificially produced by humans.
Principle
The start, beginning, or cause from which something originates.
Hypothesis
A supposition or tentative scientific explanation proposed to interpret or provide solutions to certain facts.
Postulate
An unprovable proposition whose truth is accepted provisionally as a starting point for studying a problem when an absolutely true starting point cannot be found.
Define
Determining what something is by extracting the common characteristics of all individuals within the same class.
Pseudo-Knowledge
False knowledge.
Reality
How things are and exist.
Transcendent
From the Latin trans and scandere, meaning beyond the empirical world, exceeding the limit of the senses.
Objective Reality
Reality itself, external and independent of the observer.
Subjective Reality
Things seen from the internal perspective of the observer, influenced by their knowledge and conditions.
Dialectic
A situation of change where conflicting elements confront each other, but from whose opposition a new phase arises that transcends the previous one.
Category
Used by Aristotle in the philosophical sense, translated as denomination, predication, and attribution. It refers to an attribute of being, a question about something regarding something else.
Proposition
A statement or opinion that affirms or denies something.
Skepticism
An attitude towards knowledge that asserts the human mind's inability to achieve true and complete knowledge of reality.
Dogmatism
An attitude that believes in possessing absolute truth, without questioning or considering other viewpoints.
Subjectivism
The belief that all knowledge depends on the knower.
Relativism
The idea that truth is relative to historical, social, chronological, and other contexts. As in subjectivism, there can be no universal truth.
Genetic Traits
Biological characteristics passed from parents to offspring.
Dilemma
A situation requiring a choice between two equally valuable alternatives.