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17 July 2025

diffhist Unicode 09:49 −5 50.218.11.42 talk
diffhist P versus NP problem 08:30 −274 167.98.155.171 talk (→Context: "clearly" and "arguably" are not useful things to write. improved general tone, and removed statement of the blindingly obvious which was also extremely badly written)
diffhist P versus NP problem 08:23 −64 167.98.155.171 talk (→History: improved very bad grammar and general tone)

16 July 2025

diffhist Tautology (logic) 20:24 +70 Jemptymethod talk contribs (LOL)
diffhist Cardinality 19:57 −13 Trovatore talk contribs (Undid revision 1300765959 by ALittleClass (talk) "powerset" is a common spelling in the field) Tag: Undo
diffhist Valuation (logic) 16:51 +10 141.89.85.51 talk ((Just fixed an erroneous phrasing. Valuation acts on propositional formulas, not on propositions "per se".))
diffhist Tee (symbol) 16:11 0 2603:6000:8201:10e2:e541:4fc9:1f49:28fc talk (move rare usage down the list: lattice theory is a smaller corpus than logic or type theory)
diffhist Formal system 15:50 −57 180.75.46.143 talk (sprucing up of paragraph)
diffhist Formal system 15:36 +35 180.75.46.143 talk (i have removed statements on this page which are inaccurate (note: formal systems have nothing to do with inductive systems). i have restored paragraphs from earlier versions of this page.)
diffhist m Formal system 11:20 +317 ClueBot NG talk contribs (Reverting possible vandalism by 203.106.194.247 to older version. Report False Positive? Thanks, ClueBot NG. (4404302) (Bot)) Tag: Rollback
diffhist Formal system 11:15 +17 203.106.194.247 talk Tags: Manual revert Reverted
diffhist Formal system 11:15 −17 203.106.194.247 talk Tag: Reverted
diffhist Formal system 11:13 +34 203.106.194.247 talk (i have restored the older version of this page, because the new edits are linguistically and mathematically inaccurate.) Tag: Reverted
diffhist Formal system 11:13 −1 203.106.194.247 talk Tag: Reverted
diffhist Formal system 11:12 −350 203.106.194.247 talk (i have restored the older version of this page, because the new edits are linguistically and mathematically inaccurate.) Tag: Reverted
diffhist Proposition 08:40 +4 Phlsph7 talk contribs (Undid revision 1300350032 by 2A02:CE0:2002:6C57:C0B8:6EC5:3593:49B8 (talk) sentences are linguistic expressions) Tag: Undo
diffhist Cardinality 08:03 +13 ALittleClass talk contribs (replaced instances of "powerset" with "power set") Tags: Reverted Visual edit

15 July 2025

diffhist Zermelo–Fraenkel set theory 22:21 −164 Trovatore talk contribs (→Axiom of pairing: oh, I see why that was there. Easily fixed; just get rid of the digression about redundancy, which is unimportant)
diffhist Zermelo–Fraenkel set theory 22:19 −233 Trovatore talk contribs (→Axiom of pairing: rm out-of-place claim -- we don't need to prove here that there is a set with at least two elements)
diffhist Zermelo–Fraenkel set theory 22:18 +2 Trovatore talk contribs (fix comma splice)
diffhist Zermelo–Fraenkel set theory 22:10 +1 Trovatore talk contribs (add period)
diffhist Zermelo–Fraenkel set theory 22:10 −2 Trovatore talk contribs (typo)
diffhist Zermelo–Fraenkel set theory 22:09 +358 Trovatore talk contribs (fixes to pairing axiom (see discussion on talk))
diffhist Axiomatic system 21:56 −13 Yesterday, all my dreams... talk contribs (→Example: these axioms are deductive, not semantic)
diffhist Axiomatic system 21:55 −13 Yesterday, all my dreams... talk contribs (→Axioms and models: formal structures are by definition well defined)
diffhist m Natural deduction 21:09 −1 Scrooge Mcduc talk contribs (→Gentzen-style example proofs: typo fix)
diffhist m Lambda calculus 19:32 −4 Frap talk contribs
diffhist Lambda calculus 18:28 +416 Jochen Burghardt talk contribs (→Free variables: citation; bound / free aren't disjoint)
diffhist Truth table 18:13 −2,371 Jochen Burghardt talk contribs (distracting) Tag: Undo
diffhist Mathematical object 18:11 0 162.106.6.36 talk
diffhist m Sans-serif 17:48 +1 TiagoChamba talk contribs (Added a ".".) Tags: Visual edit Mobile edit Mobile web edit
diffhist Church encoding 17:43 +10 WillNess talk contribs (Updated short description) Tags: Mobile edit Mobile app edit Android app edit App description change
diffhist Lambda calculus 17:39 −32 Scrooge Mcduc talk contribs (→Free variables)
diffhist Zermelo–Fraenkel set theory 17:35 +36 2601:204:f181:9410:7903:f639:5086:2ec9 talk (→Axiom of pairing: Fixed "Axiom of pairing")
diffhist Zermelo–Fraenkel set theory 17:20 +3 2601:204:f181:9410:7903:f639:5086:2ec9 talk (→Axiom of pairing: Fixed false statement (and bad grammar).)
diffhist Truth table 16:32 +170 46.159.119.122 talk (→Applications of truth tables in digital electronics) Tags: Reverted Mobile edit Mobile web edit
diffhist Truth table 16:16 +2,201 46.159.119.122 talk (→Applications of truth tables in digital electronics) Tags: Reverted Mobile edit Mobile web edit
diffhist Module:Unicode data/names/002 14:05 +7 Dušan Kreheľ talk contribs (Fix.)
diffhist Module:Unicode data/names/002 12:21 −170,195 Dušan Kreheľ talk contribs (One definition, more local wikis.) Tag: Replaced
diffhist N Module:Unicode data/datasets 12:18 +455 Dušan Kreheľ talk contribs (Copy of wikt:en:Module:Unicode data/datasets (revision n. 85546588).)
diffhist Image (mathematics) 05:46 +8 GALI MANISH KUMAR talk contribs (Link suggestions feature: 2 links added.) Tags: Visual edit Newcomer task Suggested: add links
diffhist Construction of the real numbers 05:14 +76 Scrooge Mcduc talk contribs
diffhist Construction of the real numbers 04:51 +114 Scrooge Mcduc talk contribs (Added clarification that almost homomorphism condition is just the condition that the error is bounded.)

14 July 2025

diffhist m Sans-serif 22:53 −6 MouseCursor talk contribs (no need to specify black, this should appear better in dark mode) Tag: 2017 wikitext editor
diffhist Zermelo–Fraenkel set theory 20:02 +152 41.230.140.43 talk (→Axiom of infinity) Tag: Visual edit: Switched
diffhist m Cardinality 19:42 −63 Farkle Griffen talk contribs (→Cardinal numbers: Clearer) Tags: Mobile edit Mobile app edit iOS app edit App section source
diffhist Functional predicate 18:28 +61 Jochen Burghardt talk contribs (→top)
diffhist P versus NP problem 16:39 −1,430 David Eppstein talk contribs (Undid revision 1300487044 by David Conway 522758601 (talk) space logic crankery) Tag: Undo
diffhist m P versus NP problem 16:37 +1,430 David Conway 522758601 talk contribs (→Claimed solutions) Tag: Reverted
diffhist Cardinality 15:07 +1 LooksGreatInATurtleNeck talk contribs (Fixed Category:Harv and Sfn no-target errors, sfn contained typos)