Abstract
Regular and dimensionally regularized values of three types of quantities that occur in the Ward vector and axial-vector identities for triangular spinor amplitudes with arbitrary Lorentz characteristics of the vertices and with distinct masses are found. It is established that the dimensionally regularized values of the quantities satisfy the Ward canonical identities, and that their regular values satisfy certain analogs of the Ward canonical identities. Quantum corrections of the Ward canonical identities are found. The general formulas are applied to the AVV- and AAA-amplitudes in a four-dimensional world. It is shown that the chiral limits for them are determined by the discrete symmetry of amplitudes that are present under the conditions of these limits.
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