Knowledge of the external world is possible.

1. 01Define the thesis precisely

   completed

   Define the thesis precisely as the claim that external‑world knowledge is possible.

2. 02Identify assumptions and key terms

   completed

   Identify assumptions (justified true belief, non‑circular justification) and key terms (external world, knowledge).

3. 03Specify supporting and opposing evidence

   completed

   Specify evidence targets: sources that discuss skepticism and knowledge justification.

4. 04Gather primary and secondary sources

   completed

   Gather primary and secondary sources from the supplied retrieval set.

5. 05Extract claims and relevant evidence

   completed

   Extract relevant claims and excerpts from the philosophical skepticism and knowledge entries.

6. 06Evaluate source reliability and verify claims

   inconclusive

   Evaluate source reliability (Wikipedia entries are secondary but broadly reliable for overview).

7. 07Construct the strongest supporting argument

   completed

   Construct the strongest supporting argument using Moore's hand demonstration and acquaintance knowledge.

8. 08Construct the strongest opposing argument

   completed

   Construct the strongest opposing argument using radical skepticism's claim of universal doubt.

9. 09Test logical structure and assumptions

   completed

   Test logical structure and assumptions for each argument, noting uncertainties.

10. 10Compare competing explanations

    completed

    Compare competing explanations: common‑sense realism, radical skepticism, pragmatic externalism.

11. 11Record unresolved issues

    completed

    Record unresolved issues such as the adequacy of justification standards.

12. 12Produce the current assessment

    completed

    Produce the current assessment that the claim remains underdetermined.

Research runs

These are stored worker runs. A failed evidence gate is shown rather than hidden.