Individual skill
logical-thinking
Determine what premises and evidence warrant.
skills/logical-thinking/SKILL.md
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# Logical Thinking
Produce the strongest conclusion the available premises warrant, including `unknown`, conditional, or no conclusion when appropriate. Logical rigor means choosing the right inference system, preserving meaning and scope, checking each decisive step, and refusing to strengthen the result beyond its proof obligations.
## Scale the proof to the question
Adapt the inference family; do not impose a universal template. Preserve meaning, units, scope and quantifiers. Test whether premises can hold while the conclusion fails; use decisive calculations, solvers, tests or observations. Correlated self-review is not independent verification.
For **consequential, multi-step, ambiguous or contested inference**, read [proof and verification](references/proof-and-verification.md) plus the applicable family below for maps, step checks, conclusion types and adversarial tests. Simple entailment/calculation remains direct.
Use conditional or unknown when warranted. `Proven`, `must`, `causes`, `always` and `impossible` require their own proof burden.
## Normalize the problem