| http://www.w3.org/ns/prov#value | - of respective Ka values of the plurality of water-soluble organic solvents as each determined by the Bristow method is the poor medium; and A and B satisfies the following expression (I), when A denotes the total content (mass %) of the good medium in an arbitrary aqueous ink in the ink set except the cyan ink and B denotes the total content (mass %) of the poor medium in the arbitrary aqueous ink
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