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16 July 2025

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 Oxford University Press 08:42 −431 Nardog talk contribs (Reverted 3 edits by 155.190.60.30 (talk): Unsourced; WP:EL) Tags: Twinkle Undo
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 Mass 07:21 −14 Marchino61 talk contribs (Gram is not an SI unit. The SI unit is the kg. gram is a CGS unit.)

15 July 2025

diffhist David Hume 23:18 +4 Van.snyder talk contribs
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 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 m Paris 15:28 −21 TumCool412 talk contribs (→Demographics: Repair Link)
diffhist m Axiom of limitation of size 15:25 +51 Farkle Griffen talk contribs (Added short description) Tags: Mobile edit Mobile app edit iOS app edit App description add
diffhist m Paris 15:20 −33 TumCool412 talk contribs (Repair Link)
diffhist Symmetric difference 05:57 +12 GALI MANISH KUMAR talk contribs (Link suggestions feature: 3 links added.) Tags: Visual edit Newcomer task Suggested: add links
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.)
diffhist Infinity 01:14 0 190.236.166.171 talk Tags: Mobile edit Mobile web edit
diffhist University of St Andrews 00:54 +6 73.222.137.36 talk (objurgated 'occupies' which is 'spans' and 'scattered throughout' which is more visually dynamic)

14 July 2025

diffhist Zermelo–Fraenkel set theory 20:02 +152 41.230.140.43 talk (→Axiom of infinity) Tag: Visual edit: Switched
diffhist Axiom of infinity 18:48 −1 216.145.134.76 talk (→Formal statement: Update the informal version to be slightly less formal and also slightly less wrong. The empty set used to meet the criteria for I specified in the informal version.)
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 Pi 14:14 +1 Secular Humanist 2022 talk contribs (→Polygon approximation era: Added the absent closing bracket.) Tags: Mobile edit Mobile web edit Advanced mobile edit
diffhist Burali-Forti paradox 12:23 −4 MartinPoulter talk contribs (→Stated more generally: Avoid first-person) Tag: Visual edit
diffhist m Axiom 12:00 0 Chatul talk contribs (plain -> plane)
diffhist Aleph 08:37 −170 Largoplazo talk contribs (Reverted good faith edits by 2603:8000:21F0:10A0:648B:67CF:965:E0E8 (talk): Adds nothing to what's in the existing Infobox) Tags: Twinkle Undo
diffhist m Axiom 08:27 +2 Des Vallee talk contribs