> any comparison between asphalt and concrete is automatically implied as a comparison between asphalt and non-asphalt concrete, and to specify would be redunda

> any comparison between asphalt and concrete is automatically implied as a comparison between asphalt and non-asphalt concrete, and to specify would be redundant. Sounds like the comparison isn't between asphalt and non-asphalt concrete, but between asphalt concrete and cement concrete. Unless the only two possible aggregate binders are asphalt and cement, but that seems unlikely to me.