b 0 0 b 1 0 b 0 1 b 1 1 b 1 1.5 f 0 0 f 1 0 f 0 1 f 1 1 f 1 0 f 0 1.5 f 1 1 h 0 0 h 1 0 h 0 1 h 1 1 h 1 0.5 h 0 1 h 1 1 {"version": 1, "uri": "file:///incrementalMutual.lean", "diagnostics": []} {"version": 2, "uri": "file:///incrementalMutual.lean", "diagnostics": []} ns 0 ns 1 ns 1.5 nt 0 nt 1 nt 0 nt 1 so 0 so 1 so 1.5