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Mirrors > Metamath Home Page > ILE Home Page > Theorem List Contents > Recent Proofs This page: Page List |
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| Type | Label | Description |
|---|---|---|
| Statement | ||
| Theorem | caucvgprlemcanl 8001* | Lemma for cauappcvgprlemladdrl 8014. Cancelling a term from both sides. (Contributed by Jim Kingdon, 15-Aug-2020.) |
| Theorem | cauappcvgprlemm 8002* | Lemma for cauappcvgpr 8019. The putative limit is inhabited. (Contributed by Jim Kingdon, 18-Jul-2020.) |
| Theorem | cauappcvgprlemopl 8003* | Lemma for cauappcvgpr 8019. The lower cut of the putative limit is open. (Contributed by Jim Kingdon, 4-Aug-2020.) |
| Theorem | cauappcvgprlemlol 8004* | Lemma for cauappcvgpr 8019. The lower cut of the putative limit is lower. (Contributed by Jim Kingdon, 4-Aug-2020.) |
| Theorem | cauappcvgprlemopu 8005* | Lemma for cauappcvgpr 8019. The upper cut of the putative limit is open. (Contributed by Jim Kingdon, 4-Aug-2020.) |
| Theorem | cauappcvgprlemupu 8006* | Lemma for cauappcvgpr 8019. The upper cut of the putative limit is upper. (Contributed by Jim Kingdon, 4-Aug-2020.) |
| Theorem | cauappcvgprlemrnd 8007* | Lemma for cauappcvgpr 8019. The putative limit is rounded. (Contributed by Jim Kingdon, 18-Jul-2020.) |
| Theorem | cauappcvgprlemdisj 8008* | Lemma for cauappcvgpr 8019. The putative limit is disjoint. (Contributed by Jim Kingdon, 18-Jul-2020.) |
| Theorem | cauappcvgprlemloc 8009* | Lemma for cauappcvgpr 8019. The putative limit is located. (Contributed by Jim Kingdon, 18-Jul-2020.) |
| Theorem | cauappcvgprlemcl 8010* | Lemma for cauappcvgpr 8019. The putative limit is a positive real. (Contributed by Jim Kingdon, 20-Jun-2020.) |
| Theorem | cauappcvgprlemladdfu 8011* | Lemma for cauappcvgprlemladd 8015. The forward subset relationship for the upper cut. (Contributed by Jim Kingdon, 11-Jul-2020.) |
| Theorem | cauappcvgprlemladdfl 8012* | Lemma for cauappcvgprlemladd 8015. The forward subset relationship for the lower cut. (Contributed by Jim Kingdon, 11-Jul-2020.) |
| Theorem | cauappcvgprlemladdru 8013* | Lemma for cauappcvgprlemladd 8015. The reverse subset relationship for the upper cut. (Contributed by Jim Kingdon, 11-Jul-2020.) |
| Theorem | cauappcvgprlemladdrl 8014* | Lemma for cauappcvgprlemladd 8015. The forward subset relationship for the lower cut. (Contributed by Jim Kingdon, 11-Jul-2020.) |
| Theorem | cauappcvgprlemladd 8015* |
Lemma for cauappcvgpr 8019. This takes |
| Theorem | cauappcvgprlem1 8016* | Lemma for cauappcvgpr 8019. Part of showing the putative limit to be a limit. (Contributed by Jim Kingdon, 23-Jun-2020.) |
| Theorem | cauappcvgprlem2 8017* | Lemma for cauappcvgpr 8019. Part of showing the putative limit to be a limit. (Contributed by Jim Kingdon, 23-Jun-2020.) |
| Theorem | cauappcvgprlemlim 8018* | Lemma for cauappcvgpr 8019. The putative limit is a limit. (Contributed by Jim Kingdon, 20-Jun-2020.) |
| Theorem | cauappcvgpr 8019* |
A Cauchy approximation has a limit. A Cauchy approximation, here
This proof (including its lemmas) is similar to the proofs of caucvgpr 8039 and caucvgprpr 8069 but is somewhat simpler, so reading this one first may help understanding the other two. (Contributed by Jim Kingdon, 19-Jun-2020.) |
| Theorem | archrecnq 8020* | Archimedean principle for fractions (reciprocal version). (Contributed by Jim Kingdon, 27-Sep-2020.) |
| Theorem | archrecpr 8021* | Archimedean principle for positive reals (reciprocal version). (Contributed by Jim Kingdon, 25-Nov-2020.) |
| Theorem | caucvgprlemk 8022 | Lemma for caucvgpr 8039. Reciprocals of positive integers decrease as the positive integers increase. (Contributed by Jim Kingdon, 9-Oct-2020.) |
| Theorem | caucvgprlemnkj 8023* | Lemma for caucvgpr 8039. Part of disjointness. (Contributed by Jim Kingdon, 23-Oct-2020.) |
| Theorem | caucvgprlemnbj 8024* | Lemma for caucvgpr 8039. Non-existence of two elements of the sequence which are too far from each other. (Contributed by Jim Kingdon, 18-Oct-2020.) |
| Theorem | caucvgprlemm 8025* | Lemma for caucvgpr 8039. The putative limit is inhabited. (Contributed by Jim Kingdon, 27-Sep-2020.) |
| Theorem | caucvgprlemopl 8026* | Lemma for caucvgpr 8039. The lower cut of the putative limit is open. (Contributed by Jim Kingdon, 20-Oct-2020.) |
| Theorem | caucvgprlemlol 8027* | Lemma for caucvgpr 8039. The lower cut of the putative limit is lower. (Contributed by Jim Kingdon, 20-Oct-2020.) |
| Theorem | caucvgprlemopu 8028* | Lemma for caucvgpr 8039. The upper cut of the putative limit is open. (Contributed by Jim Kingdon, 20-Oct-2020.) |
| Theorem | caucvgprlemupu 8029* | Lemma for caucvgpr 8039. The upper cut of the putative limit is upper. (Contributed by Jim Kingdon, 20-Oct-2020.) |
| Theorem | caucvgprlemrnd 8030* | Lemma for caucvgpr 8039. The putative limit is rounded. (Contributed by Jim Kingdon, 27-Sep-2020.) |
| Theorem | caucvgprlemdisj 8031* | Lemma for caucvgpr 8039. The putative limit is disjoint. (Contributed by Jim Kingdon, 27-Sep-2020.) |
| Theorem | caucvgprlemloc 8032* | Lemma for caucvgpr 8039. The putative limit is located. (Contributed by Jim Kingdon, 27-Sep-2020.) |
| Theorem | caucvgprlemcl 8033* | Lemma for caucvgpr 8039. The putative limit is a positive real. (Contributed by Jim Kingdon, 26-Sep-2020.) |
| Theorem | caucvgprlemladdfu 8034* |
Lemma for caucvgpr 8039. Adding |
| Theorem | caucvgprlemladdrl 8035* |
Lemma for caucvgpr 8039. Adding |
| Theorem | caucvgprlem1 8036* | Lemma for caucvgpr 8039. Part of showing the putative limit to be a limit. (Contributed by Jim Kingdon, 3-Oct-2020.) |
| Theorem | caucvgprlem2 8037* | Lemma for caucvgpr 8039. Part of showing the putative limit to be a limit. (Contributed by Jim Kingdon, 3-Oct-2020.) |
| Theorem | caucvgprlemlim 8038* | Lemma for caucvgpr 8039. The putative limit is a limit. (Contributed by Jim Kingdon, 1-Oct-2020.) |
| Theorem | caucvgpr 8039* |
A Cauchy sequence of positive fractions with a modulus of convergence
converges to a positive real. This is basically Corollary 11.2.13 of
[HoTT], p. (varies) (one key difference
being that this is for
positive reals rather than signed reals). Also, the HoTT book theorem
has a modulus of convergence (that is, a rate of convergence)
specified by (11.2.9) in HoTT whereas this theorem fixes the rate of
convergence to say that all terms after the nth term must be within
This proof (including its lemmas) is similar to the proofs of cauappcvgpr 8019 and caucvgprpr 8069. Reading cauappcvgpr 8019 first (the simplest of the three) might help understanding the other two. (Contributed by Jim Kingdon, 18-Jun-2020.) |
| Theorem | caucvgprprlemk 8040* | Lemma for caucvgprpr 8069. Reciprocals of positive integers decrease as the positive integers increase. (Contributed by Jim Kingdon, 28-Nov-2020.) |
| Theorem | caucvgprprlemloccalc 8041* | Lemma for caucvgprpr 8069. Rearranging some expressions for caucvgprprlemloc 8060. (Contributed by Jim Kingdon, 8-Feb-2021.) |
| Theorem | caucvgprprlemell 8042* | Lemma for caucvgprpr 8069. Membership in the lower cut of the putative limit. (Contributed by Jim Kingdon, 21-Jan-2021.) |
| Theorem | caucvgprprlemelu 8043* | Lemma for caucvgprpr 8069. Membership in the upper cut of the putative limit. (Contributed by Jim Kingdon, 28-Jan-2021.) |
| Theorem | caucvgprprlemcbv 8044* | Lemma for caucvgprpr 8069. Change bound variables in Cauchy condition. (Contributed by Jim Kingdon, 12-Feb-2021.) |
| Theorem | caucvgprprlemval 8045* | Lemma for caucvgprpr 8069. Cauchy condition expressed in terms of classes. (Contributed by Jim Kingdon, 3-Mar-2021.) |
| Theorem | caucvgprprlemnkltj 8046* | Lemma for caucvgprpr 8069. Part of disjointness. (Contributed by Jim Kingdon, 12-Feb-2021.) |
| Theorem | caucvgprprlemnkeqj 8047* | Lemma for caucvgprpr 8069. Part of disjointness. (Contributed by Jim Kingdon, 12-Feb-2021.) |
| Theorem | caucvgprprlemnjltk 8048* | Lemma for caucvgprpr 8069. Part of disjointness. (Contributed by Jim Kingdon, 12-Feb-2021.) |
| Theorem | caucvgprprlemnkj 8049* | Lemma for caucvgprpr 8069. Part of disjointness. (Contributed by Jim Kingdon, 20-Jan-2021.) |
| Theorem | caucvgprprlemnbj 8050* | Lemma for caucvgprpr 8069. Non-existence of two elements of the sequence which are too far from each other. (Contributed by Jim Kingdon, 17-Jun-2021.) |
| Theorem | caucvgprprlemml 8051* | Lemma for caucvgprpr 8069. The lower cut of the putative limit is inhabited. (Contributed by Jim Kingdon, 29-Dec-2020.) |
| Theorem | caucvgprprlemmu 8052* | Lemma for caucvgprpr 8069. The upper cut of the putative limit is inhabited. (Contributed by Jim Kingdon, 29-Dec-2020.) |
| Theorem | caucvgprprlemm 8053* | Lemma for caucvgprpr 8069. The putative limit is inhabited. (Contributed by Jim Kingdon, 21-Dec-2020.) |
| Theorem | caucvgprprlemopl 8054* | Lemma for caucvgprpr 8069. The lower cut of the putative limit is open. (Contributed by Jim Kingdon, 21-Dec-2020.) |
| Theorem | caucvgprprlemlol 8055* | Lemma for caucvgprpr 8069. The lower cut of the putative limit is lower. (Contributed by Jim Kingdon, 21-Dec-2020.) |
| Theorem | caucvgprprlemopu 8056* | Lemma for caucvgprpr 8069. The upper cut of the putative limit is open. (Contributed by Jim Kingdon, 21-Dec-2020.) |
| Theorem | caucvgprprlemupu 8057* | Lemma for caucvgprpr 8069. The upper cut of the putative limit is upper. (Contributed by Jim Kingdon, 21-Dec-2020.) |
| Theorem | caucvgprprlemrnd 8058* | Lemma for caucvgprpr 8069. The putative limit is rounded. (Contributed by Jim Kingdon, 21-Dec-2020.) |
| Theorem | caucvgprprlemdisj 8059* | Lemma for caucvgprpr 8069. The putative limit is disjoint. (Contributed by Jim Kingdon, 21-Dec-2020.) |
| Theorem | caucvgprprlemloc 8060* | Lemma for caucvgprpr 8069. The putative limit is located. (Contributed by Jim Kingdon, 21-Dec-2020.) |
| Theorem | caucvgprprlemcl 8061* | Lemma for caucvgprpr 8069. The putative limit is a positive real. (Contributed by Jim Kingdon, 21-Nov-2020.) |
| Theorem | caucvgprprlemclphr 8062* |
Lemma for caucvgprpr 8069. The putative limit is a positive real.
Like caucvgprprlemcl 8061 but without a disjoint variable
condition
between |
| Theorem | caucvgprprlemexbt 8063* | Lemma for caucvgprpr 8069. Part of showing the putative limit to be a limit. (Contributed by Jim Kingdon, 16-Jun-2021.) |
| Theorem | caucvgprprlemexb 8064* | Lemma for caucvgprpr 8069. Part of showing the putative limit to be a limit. (Contributed by Jim Kingdon, 15-Jun-2021.) |
| Theorem | caucvgprprlemaddq 8065* | Lemma for caucvgprpr 8069. Part of showing the putative limit to be a limit. (Contributed by Jim Kingdon, 5-Jun-2021.) |
| Theorem | caucvgprprlem1 8066* | Lemma for caucvgprpr 8069. Part of showing the putative limit to be a limit. (Contributed by Jim Kingdon, 25-Nov-2020.) |
| Theorem | caucvgprprlem2 8067* | Lemma for caucvgprpr 8069. Part of showing the putative limit to be a limit. (Contributed by Jim Kingdon, 25-Nov-2020.) |
| Theorem | caucvgprprlemlim 8068* | Lemma for caucvgprpr 8069. The putative limit is a limit. (Contributed by Jim Kingdon, 21-Nov-2020.) |
| Theorem | caucvgprpr 8069* |
A Cauchy sequence of positive reals with a modulus of convergence
converges to a positive real. This is basically Corollary 11.2.13 of
[HoTT], p. (varies) (one key difference
being that this is for
positive reals rather than signed reals). Also, the HoTT book theorem
has a modulus of convergence (that is, a rate of convergence)
specified by (11.2.9) in HoTT whereas this theorem fixes the rate of
convergence to say that all terms after the nth term must be within
This is similar to caucvgpr 8039 except that values of the sequence are positive reals rather than positive fractions. Reading that proof first (or cauappcvgpr 8019) might help in understanding this one, as they are slightly simpler but similarly structured. (Contributed by Jim Kingdon, 14-Nov-2020.) |
| Theorem | suplocexprlemell 8070* | Lemma for suplocexpr 8082. Membership in the lower cut of the putative supremum. (Contributed by Jim Kingdon, 9-Jan-2024.) |
| Theorem | suplocexprlem2b 8071 | Lemma for suplocexpr 8082. Expression for the lower cut of the putative supremum. (Contributed by Jim Kingdon, 9-Jan-2024.) |
| Theorem | suplocexprlemss 8072* |
Lemma for suplocexpr 8082. |
| Theorem | suplocexprlemml 8073* | Lemma for suplocexpr 8082. The lower cut of the putative supremum is inhabited. (Contributed by Jim Kingdon, 7-Jan-2024.) |
| Theorem | suplocexprlemrl 8074* | Lemma for suplocexpr 8082. The lower cut of the putative supremum is rounded. (Contributed by Jim Kingdon, 9-Jan-2024.) |
| Theorem | suplocexprlemmu 8075* | Lemma for suplocexpr 8082. The upper cut of the putative supremum is inhabited. (Contributed by Jim Kingdon, 7-Jan-2024.) |
| Theorem | suplocexprlemru 8076* | Lemma for suplocexpr 8082. The upper cut of the putative supremum is rounded. (Contributed by Jim Kingdon, 9-Jan-2024.) |
| Theorem | suplocexprlemdisj 8077* | Lemma for suplocexpr 8082. The putative supremum is disjoint. (Contributed by Jim Kingdon, 9-Jan-2024.) |
| Theorem | suplocexprlemloc 8078* | Lemma for suplocexpr 8082. The putative supremum is located. (Contributed by Jim Kingdon, 9-Jan-2024.) |
| Theorem | suplocexprlemex 8079* | Lemma for suplocexpr 8082. The putative supremum is a positive real. (Contributed by Jim Kingdon, 7-Jan-2024.) |
| Theorem | suplocexprlemub 8080* | Lemma for suplocexpr 8082. The putative supremum is an upper bound. (Contributed by Jim Kingdon, 14-Jan-2024.) |
| Theorem | suplocexprlemlub 8081* | Lemma for suplocexpr 8082. The putative supremum is a least upper bound. (Contributed by Jim Kingdon, 14-Jan-2024.) |
| Theorem | suplocexpr 8082* | An inhabited, bounded-above, located set of positive reals has a supremum. (Contributed by Jim Kingdon, 7-Jan-2024.) |
| Definition | df-enr 8083* | Define equivalence relation for signed reals. This is a "temporary" set used in the construction of complex numbers, and is intended to be used only by the construction. From Proposition 9-4.1 of [Gleason] p. 126. (Contributed by NM, 25-Jul-1995.) |
| Definition | df-nr 8084 | Define class of signed reals. This is a "temporary" set used in the construction of complex numbers, and is intended to be used only by the construction. From Proposition 9-4.2 of [Gleason] p. 126. (Contributed by NM, 25-Jul-1995.) |
| Definition | df-plr 8085* | Define addition on signed reals. This is a "temporary" set used in the construction of complex numbers, and is intended to be used only by the construction. From Proposition 9-4.3 of [Gleason] p. 126. (Contributed by NM, 25-Aug-1995.) |
| Definition | df-mr 8086* | Define multiplication on signed reals. This is a "temporary" set used in the construction of complex numbers, and is intended to be used only by the construction. From Proposition 9-4.3 of [Gleason] p. 126. (Contributed by NM, 25-Aug-1995.) |
| Definition | df-ltr 8087* | Define ordering relation on signed reals. This is a "temporary" set used in the construction of complex numbers, and is intended to be used only by the construction. From Proposition 9-4.4 of [Gleason] p. 127. (Contributed by NM, 14-Feb-1996.) |
| Definition | df-0r 8088 | Define signed real constant 0. This is a "temporary" set used in the construction of complex numbers, and is intended to be used only by the construction. From Proposition 9-4.2 of [Gleason] p. 126. (Contributed by NM, 9-Aug-1995.) |
| Definition | df-1r 8089 | Define signed real constant 1. This is a "temporary" set used in the construction of complex numbers, and is intended to be used only by the construction. From Proposition 9-4.2 of [Gleason] p. 126. (Contributed by NM, 9-Aug-1995.) |
| Definition | df-m1r 8090 | Define signed real constant -1. This is a "temporary" set used in the construction of complex numbers, and is intended to be used only by the construction. (Contributed by NM, 9-Aug-1995.) |
| Theorem | enrbreq 8091 | Equivalence relation for signed reals in terms of positive reals. (Contributed by NM, 3-Sep-1995.) |
| Theorem | enrer 8092 | The equivalence relation for signed reals is an equivalence relation. Proposition 9-4.1 of [Gleason] p. 126. (Contributed by NM, 3-Sep-1995.) (Revised by Mario Carneiro, 6-Jul-2015.) |
| Theorem | enreceq 8093 | Equivalence class equality of positive fractions in terms of positive integers. (Contributed by NM, 29-Nov-1995.) |
| Theorem | enrex 8094 | The equivalence relation for signed reals exists. (Contributed by NM, 25-Jul-1995.) |
| Theorem | ltrelsr 8095 | Signed real 'less than' is a relation on signed reals. (Contributed by NM, 14-Feb-1996.) |
| Theorem | addcmpblnr 8096 | Lemma showing compatibility of addition. (Contributed by NM, 3-Sep-1995.) |
| Theorem | mulcmpblnrlemg 8097 | Lemma used in lemma showing compatibility of multiplication. (Contributed by Jim Kingdon, 1-Jan-2020.) |
| Theorem | mulcmpblnr 8098 | Lemma showing compatibility of multiplication. (Contributed by NM, 5-Sep-1995.) |
| Theorem | prsrlem1 8099* | Decomposing signed reals into positive reals. Lemma for addsrpr 8102 and mulsrpr 8103. (Contributed by Jim Kingdon, 30-Dec-2019.) |
| Theorem | addsrmo 8100* | There is at most one result from adding signed reals. (Contributed by Jim Kingdon, 30-Dec-2019.) |
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