The word is in the Wiktionary

1 short excerpt of Wiktionnary (A collaborative project to produce a free-content dictionary.)

— English word —

• proof␣system n. (Logic) A set of axioms and a set of inference rules which are jointly used to deduce tautologies, thereby…

15 English words from the English definition

and are axioms deduce inference inference␣rules jointly Logic rules set tautologies thereby used used␣to which

One suffix (New word found by adding one or more letters at the end of the word.)

proof␣systems

32 words-in-word (Words found as is inside the word. Minimum size 3 letters.)

OFs oof oofs pro Pro PRO pro- Pro. -pro- proof Proof -proof proofs roo 'roo roof Roof roofs Ste StE STE Ste. stem Stem STEM sys SYs SYS Sys. syst. system TEM

20 words-in-word RTL (Words found written from right to left, inside the word. Minimum size 3 letters.)

ETs ETS foo Foo foo' Foor met Met MET met- met. mets Mets METS orp SFO sys SYs SYS Sys.

One anagram found with an extra letter (New word formed with all the letters from the word and an extra letter.)

proof␣systems

One anagram found minus a letter (New word formed with all the letters from the word minus a letter.)

story-poems

Recommended websites

• Visit 1Word.ws - the word PROOFSYSTEM is not a valid scrabble word.
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