{{RomanPageToNegativeArabic#ask: [[Theory Rejection theorem (Barseghyan-2015)]] |?Description |valuemainlabel=- | }} {{#vardefine: varFirstPageNumber|{{ExtractFirstPageNumber|pages=xi123-vv245|}}|}} first page number: {{#var: varFirstPageNumber}} {{#if: {{IsNumber|value={{var: varFirstPageNumber}}|}}<!-- -->|<!-- --><!-- regular number: store as is -->{{#set:First Page={{#var: varFirstPageNumber}}|}}<!-- --><!-- -->|<!-- --><!-- not a number: see if it is roman -->{{#set:First Page=0|}}<!-- --><!-- -->}} roman: {{#roman: {{#var: varFirstPageNumber}}}}roman negative: {{#romannegative: {{#var: varFirstPageNumber}}}} ———-