Idealism v solipsism

Here’s a summary table comparing Idealism and Solipsism in terms of their key philosophical aspects:

Aspect	Idealism	Solipsism
Core Belief	Reality is fundamentally mental or immaterial.	Only one’s own mind is sure to exist.
View on External World	Exists, but is dependent on the mind or consciousness.	Might not exist independently; cannot be known to exist.
Other Minds	Other minds likely exist; we interact with them.	Existence of other minds is uncertain or denied.
Famous Proponents	George Berkeley, Immanuel Kant (in part), Hegel	René Descartes (methodological), extreme skeptics
Relation to Perception	Objects exist as ideas perceived by minds.	All perceptions are internal; no evidence of external source.
Metaphysical Stance	Reality is mind-dependent, but can be shared or universal.	Reality is mind-dependent and isolated to the self.
Implications	Encourages metaphysical idealism and intersubjectivity.	Leads to radical skepticism and epistemic isolation.
Criticism	May struggle to explain material consistency.	Often seen as self-defeating or unprovable.

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