Symbols which occur in a word denoted by a boldface letter are always denoted by the same non-boldface letter with some subscript. That is, symbols which occur in σ are denoted by σᵢ, symbols which occur in w are denoted by wᵢ, symbols which occur in X are denoted by Xᵢ, etc.

The almighty stock option became a fetish object, a love thing, a glimpse into a not-so-distance future for AOLers where freedom reigned […]

Plain slabs of fibreglass are unfriendly enough, but when topped off with a protrusion here and a herniation there, the whole house takes on a frighteningly octopusish effect, reminiscent of the painting of the warted, welted man you used to […]

Quoting documents received from behind the Bamboo Curtain, the sources said that the number of casualties in the area of Tangshan, Peiping, Tientsin and Fengnan “was very great and could not be immediately estimated.”