After Chava Willig Levy exits the main sanctuary of Aish Kodesh in Woodmere, with congregants wishing her a “good Shabbos,” she is on her way, often accompanied home by one or two young women who push her wheelchair and stay to visit and assist. That Chava, a survivor of childhood polio who is a lecturer, writer and editor, is defined by more than her disability, is made clear in her just-published memoir, “A Life Not With Standing.”