check_contingency
Check truth-functional contingency via HCC prover
How to use it
check_contingency is exposed by the MCP Logic MCP server. Add the server to your MCP client (Claude Desktop, Cursor, Windsurf and others), and the check_contingency tool becomes available to the model automatically. See the full listing for setup details and every tool this server provides.
Install MCP Logic
$
uv pip install --directory . "huggingface-hub>=0.24.0"Other tools in MCP Logic (7)
abductive_explain
Find the VFE-minimizing explanation for an observation
check_well_formed
Validate formula syntax with detailed errors
find_counterexample
Find counterexamples showing statements don't follow
find_model
Find finite models satisfying premises
get_category_axioms
Get axioms for category/functor/group/monoid
prove
Prove statements using Prover9
verify_commutativity
Generate FOL for categorical diagram commutativity