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幸运飞行艇开奖查询结果+全国官方开奖历史直播+开奖记录历史 Sharpen your thinking.

Obsidian is the private and flexible writing app that adapts to the way you think.

Obsidian
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Obsidian stores notes on your device, so you can access them quickly, even offline. No one else can read them, not even us.
Your mind is unique.
With hundreds of plugins and themes, you can shape Obsidian to fit your way of thinking.
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From personal notes to journaling, knowledge bases, and project management, Obsidian gives you the tools to come up with ideas and organize them.

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In Meditations on First Philosophy the philosopher René Descartes describes a series of doubts about the nature of reality, arriving at the famous phrase:

  • [[I thin]]
  • I think therefore I am
  • Just think about it
  • Thinking, Fast and Slow
    Books/
  • The Thing
    Movies/

He argues that doubting requires thinking, and therefore, the act of thinking confirms his existence.

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Visualize the relationships between your notes. Find hidden patterns in your thinking through a visually engaging and interactive graph.
Philosophy Books René Descartes
Canvas
An infinite space to research, brainstorm, diagram, and lay out your ideas. Canvas is a limitless playground for your mind. Learn more.
Lecture 1

Rationalists

  • Reason and innate knowledge → acquire knowledge
  • Fundamental truths and principles can be known independent of experience
  • A priori reasoning
  • Reason and deduction

Empiricists

  • Experience and sensory perception → acquire knowledge
  • All knowledge is derived from experience and observation of the external world
  • A posteriori reasoning
Cogito, ergo sum

In Meditations on First Philosophy the philosopher René Descartes describes a series of doubts about the nature of reality, arriving at the famous phrase:

I think therefore I am

He argues that doubting requires thinking, and therefore, the act of thinking confirms his existence.

Philosophers
Image of Rene Descartes embedded in Obsidian Canvas
Image of Baruch Spinoza embedded in Obsidian Canvas
Wikipedia page about David Hume embedded in Obsidian Canvas
Plugins
Build your ideal thinking space. With hundreds of plugins and our open API, it's easy to tailor Obsidian to fit your personal workflow. Learn more.
Community plugins
Calendar by Liam Cain
Calendar view of your daily notes.
Kanban by Matthew Meyers
Markdown-backed kanban boards.
Dataview by Michael Brenan
Advanced queries for the data-obsessed.
Outliner by Viacheslav Slinko
Work with your lists.
Tasks by Martin Schenck and Clare Macrae
Track tasks across your entire vault.

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Turn your notes into an online wiki, knowledge base, documentation, or digital garden. Learn more.

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