Theorem ContinuousLinearMap.opNNNorm_subsingleton

Modification history

2025-08-05 22:50
Mathlib/Analysis/NormedSpace/OperatorNorm/NNNorm.lean
feat(Analysis/NormedSpace/OperatorNorm): characterize the operator norm via `sphere 0 1` (#27912) …
Added ContinuousLinearMap.opNNNorm_subsingletonView on Github →