Epoxy resin mixture, epoxy resin composition and cured product of same

An epoxy resin mixture which contains an epoxy resin represented by Formula (1) below and an epoxy resin represented by Formula (2) below at a weight ratio of 1:5 to 1:0.2,

• in Formula (1), plural R1's each exist independently and represent a hydrogen atom or a C1-10 alkyl group, n represents a real number of 1 to 10, and G represents a substituted or unsubstituted glycidyl group, and
• in Formula (2), plural R2's and R3's each exist independently and represent a hydrogen atom or a C1-10 alkyl group, n represents a real number of 1 to 10, and G represents a substituted or unsubstituted glycidyl group,
• wherein the epoxy resin mixture is obtained through a reaction between a phenolic resin represented by Formula (3) below, a phenolic resin represented by Formula (4) below, and an epihalohydrin,
• in Formula (3), plural R1's each exist independently and represent a hydrogen atom or a C1-10 alkyl group, and n represents a real number of 1 to 10, a total content of a component represented by n=1 and a component represented by n=3 as measured by gel permeation chromatography is greater than or equal to 1% by area and less than 20% by area, a total content of a component represented by n=2 and a component represented by n=4 as measured by gel permeation chromatography is greater than or equal to 25% by area and less than 80% by area, and
• in Formula (4), plural R2's and R3's each exist independently and represent a hydrogen atom or a C1-10 alkyl group, and n represents a real number of 1 to 10.