type: BellExpression
scenario: '[(2 2) (2 2)]'
representation: Non-signaling Probabilities
coefficients: [-1, 1, -1, 1, 1, -1, 1, -1, -1, 1, 1, -1, 1, -1, -1, 1]
upper:
  bounds: {local: '2', quantum: '[2.828427124746190, 2.828427124746191]', no-signaling: '4',
    ten-percents-nonfree-settings: '2.2'}
  keywords: [facet-local]
keywords: [canonical, minimal, not-composite, not-io-lifted]
shortName: CHSH
names: [Clauser-Horne-Shimony-Holt inequality]
sources:
  upper.bounds.local: ['doi:10.1103/PhysRevLett.23.880']
  upper.bounds.quantum: ['doi:10.1007/BF00417500', 'http://www.tau.ac.il/~tsirel/download/qbell80.html']
  extra.detection_loophole: ['doi:10.1103/PhysRevA.47.R747']
  extra.detection_loophole_singlet: ['doi:10.1111/j.1749-6632.1986.tb12444.x', 'doi:10.1103/PhysRevD.35.3831']
detection_loophole: eta_c = 2/3
detection_loophole_singlet: eta_c = [0.8284271247461901, 0.8284271247461902]