Abstract Katherine Thinkings and poems May 23, 2016 1 Minute Concrete algebra… Symbols set in stone. Share this: Print (Opens in new window) Print Email a link to a friend (Opens in new window) Email TweetShare on TumblrMorePocket Share on WhatsApp (Opens in new window) WhatsApp Like Loading... Related Published by Katherine Poetry writer and author View all posts by Katherine Published May 23, 2016