Logical form refers to the abstract structure of statements or arguments that highlights their logical relationships, irrespective of the specific content of the statements. It serves to represent the underlying logic of a statement or argument in a way that clarifies validity, inference, and logical consistency. In linguistics and philosophy, the notion of logical form is often used to analyze natural language sentences to reveal their syntactic and semantic properties.
Plural quantification is a concept in philosophy and linguistics that pertains to how we refer to and quantify plural entities in language and logic. It explores how statements can be made about multiple objects or individuals, often involving considerations of meaning, reference, and the nature of plural terms. In formal logic, plural quantification allows for the expression of propositions that involve multiple objects without needing to enumerate them explicitly.
The Modern Greek Enlightenment refers to a cultural and intellectual movement that took place in Greece during the late 18th and early 19th centuries, coinciding with the broader European Enlightenment. This period was characterized by a renewed interest in classical learning, philosophy, and the sciences, as well as a push for political and social reforms.
An opinion is a personal belief or judgment about a particular topic or issue that is not necessarily based on factual evidence or universal consensus. Opinions can vary widely among individuals and can be influenced by personal experiences, emotions, cultural background, and values. They are subjective in nature and often reflect a person's thoughts, preferences, or interpretations rather than objective facts or universally accepted truths. While opinions can be informed and well-reasoned, they are ultimately individual perspectives and can differ significantly from person to person.
"Advances in Geometry" typically refers to a scholarly journal or publication that focuses on the latest research and developments in the field of geometry. These publications often include articles, papers, and studies that cover a wide range of topics within geometry, such as differential geometry, algebraic geometry, discrete geometry, and computational geometry, among others. In addition to research papers, such journals may also feature survey articles, conference proceedings, and discussions of new techniques or theories in the field.
International Mathematics Research Notices (IMRN) is a scholarly journal that publishes research articles in all areas of mathematics. It is known for its high-quality, peer-reviewed research papers, which include original research articles that contribute to the field of mathematics. IMRN is distinguished by its focus on rapid publication of significant research results, and it aims to disseminate new mathematical findings to the broader mathematical community efficiently. The journal covers a wide range of topics and is accessible to both researchers and practitioners in the field.
L'Enseignement mathématique is a mathematical journal that focuses on research and scholarship in mathematics education. It publishes articles related to the teaching and learning of mathematics at various educational levels. The journal aims to contribute to the development of mathematical knowledge and pedagogy by sharing findings from research, innovative teaching practices, and discussions about mathematics education theory. The content may include empirical studies, theoretical articles, and reviews that explore methodologies and approaches in mathematics teaching and learning.
"Novum Organum," authored by Sir Francis Bacon and published in 1620, is a philosophical work that lays the groundwork for the scientific method. The title translates to "New Instrument" in Latin and refers to a new approach to acquiring knowledge, differentiating it from the traditional Aristotelian methods that were prevalent at the time. In "Novum Organum," Bacon critiques the established scientific practices and advocates for empirical observation and experimentation as the foundation for knowledge.
E. Coli Whole Cell Model by Covert Lab Time series run variant by 
Ciro Santilli 40 Updated 2025-07-16
Ciro Santilli 40 Updated 2025-07-16To modify the nutrients as a function of time, with To select a time series we can use something like:As mentioned in
python runscripts/manual/runSim.py --variant nutrientTimeSeries 25 25python runscripts/manual/runSim.py --help, nutrientTimeSeries is one of the choices from github.com/CovertLab/WholeCellEcoliRelease/blob/7e4cc9e57de76752df0f4e32eca95fb653ea64e4/models/ecoli/sim/variants/__init__.py#L5725 25 means to start from index 25 and also end at 25, so running just one simulation. 25 27 would run 25 then 26 and then 27 for example.The timeseries with index 25 is so we understand that it starts with extra amino acids in the medium, which benefit the cell, and half way through those are removed at time 1200s = 20 minutes. We would therefore expect the cell to start expressing amino acid production genes exactly at that point.
reconstruction/ecoli/flat/condition/timeseries/000025_cut_aa.tsv and contains"time (units.s)" "nutrients"
0 "minimal_plus_amino_acids"
1200 "minimal"nutrients likely means condition in that file however, see bug report with 1 1 failing: github.com/CovertLab/WholeCellEcoliRelease/issues/24When we do this the simulation ends in:so we see that the doubling time was faster than the one with minimal conditions of
Simulation finished:
- Length: 0:34:23
- Runtime: 0:08:030:42:49, which makes sense, since during the first 20 minutes the cell had extra amino acid nutrients at its disposal.The output directory now contains simulation output data under
out/manual/nutrientTimeSeries_000025/. Let's run analysis and plots for that:python runscripts/manual/analysisVariant.py &&
python runscripts/manual/analysisCohort.py --variant 25 &&
python runscripts/manual/analysisMultigen.py --variant 25 &&
python runscripts/manual/analysisSingle.py --variant 25We can now compare the outputs of this run to the default
wildtype_000000 run from Section "Install and first run".out/manual/plotOut/svg_plots/massFractionSummary.svg: because we now have two variants in the sameout/folder,wildtype_000000andnutrientTimeSeries_000025, we now see a side by side comparision of both on the same graph!The run variant where we started with amino acids initially grows faster as expected, because the cell didn't have to make it's own amino acids, so growth is a bit more efficient.
The following plots from under
out/manual/wildtype_000000/000000/{generation_000000,nutrientTimeSeries_000025}/000000/plotOut/svg_plots have been manually joined side-by-side with:for f in out/manual/wildtype_000000/000000/generation_000000/000000/plotOut/svg_plots/*; do
echo $f
svg_stack.py \
--direction h \
out/manual/wildtype_000000/000000/generation_000000/000000/plotOut/svg_plots/$(basename $f) \
out/manual/nutrientTimeSeries_000025/000000/generation_000000/000000/plotOut/svg_plots/$(basename $f) \
> tmp/$(basename $f)
done
Amino acid counts
. Source. aaCounts.svg:- default: quantities just increase
- amino acid cut: there is an abrupt fall at 20 minutes when we cut off external supply, presumably because it takes some time for the cell to start producing its own
External exchange fluxes of amino acids
. Source. aaExchangeFluxes.svg:- default: no exchanges
- amino acid cut: for all graphs except phenylalanine (PHE), either the cell was intaking the AA (negative flux), and that intake goes to 0 when the supply is cut, or the flux is always 0.
mRNA count of highly expressed mRNAs
. Source. From file expression_rna_03_high.svg. Each of the entries is a gene using the conventional gene naming convention of xyzW, e.g. here's the BioCyc for the first entry, tufA: biocyc.org/gene?orgid=ECOLI&id=EG11036, which comments Elongation factor Tu (EF-Tu) is the most abundant protein in E. coli.
External exchange fluxes
. Source. mediaExcange.svg: this one is similar to aaExchangeFluxes.svg, but it also tracks other substances. The color version makes it easier to squeeze more substances in a given space, but you lose the shape of curves a bit. The title seems reversed: red must be excretion, since that's where glucose (GLC) is.The substances are different between the default and amino acid cut graphs, they seem to be the most exchanged substances. On the amino cut graph, first we see the cell intaking most (except phenylalanine, which is excreted for some reason). When we cut amino acids, the uptake of course stops.
The United Arab Emirates (UAE) has made significant investments in nuclear power as part of its strategy to diversify its energy sources and reduce reliance on fossil fuels. The main company involved in nuclear power in the UAE is: ### **Emirates Nuclear Energy Corporation (ENEC)** - **Established:** ENEC was established in 2009 and is responsible for the development and operation of nuclear power plants in the UAE.
A standardized coefficient, often referred to as a standardized regression coefficient, is a measure used in regression analysis to assess the relative strength and direction of the relationship between an independent variable and a dependent variable. The standardized coefficient is derived from the raw regression coefficients by standardizing the variables. Here's how it works: 1. **Standardization**: Before estimating a regression model, both the dependent and independent variables are standardized.
The United Kingdom possesses a nuclear arsenal that is primarily based on a submarine-launched ballistic missile system known as Trident. Here are some key points about the UK's nuclear weapons: 1. **History**: The UK developed its first nuclear weapons in the post-World War II era, successfully testing its first atomic bomb in 1952, known as "Hurricane." The UK became the third country to develop nuclear weapons, following the United States and the Soviet Union.
Ole Andreas Krogness is not a widely recognized figure in popular culture or academia based on the information available up to October 2023. It’s possible that he could be a private individual, a local personality, or someone relevant in a specific field not covered in major sources.
Operation Match was a project initiated in the early 1970s that aimed to help people find compatible partners for dating and relationships. It was a significant early application of computer technology to social matchmaking. The program, developed by a team at the Massachusetts Institute of Technology (MIT), utilized a computer algorithm to match individuals based on their responses to a questionnaire that assessed various personality traits and preferences. Participants would fill out a detailed questionnaire, and the computer would analyze their answers to suggest potential matches.
The OPR-1000 is a South Korean nuclear reactor design developed by Korea Hydro & Nuclear Power (KHNP). It is a Generation II+ pressurized water reactor (PWR) that represents an evolution of earlier reactor designs used in South Korea. The "OPR" stands for "Optimized Power Reactor," and the "1000" refers to its electrical output capacity of approximately 1,000 megawatts (MW).
The Pakistan Engineering Council (PEC) is a regulatory body established to promote and oversee the engineering profession in Pakistan. Founded in 1976 under the Pakistan Engineering Council Act, the PEC is responsible for the registration of engineers, the accreditation of engineering institutions, and the establishment of professional standards in the engineering field. Key functions and responsibilities of the Pakistan Engineering Council include: 1. **Registration and Licensing**: The PEC registers engineers and provides licenses to practice engineering in Pakistan.
Pål Brekke is a notable figure in the field of space science and astronomy, particularly known for his work related to solar energy and solar physics. He has been involved in various research projects and missions aimed at understanding solar phenomena and their effects on the Earth. Brekke has also worked with organizations such as the European Space Agency (ESA) and has contributed to public outreach and education in space science.
Pinned article: Introduction to the OurBigBook Project
Welcome to the OurBigBook Project! Our goal is to create the perfect publishing platform for STEM subjects, and get university-level students to write the best free STEM tutorials ever.
Everyone is welcome to create an account and play with the site: ourbigbook.com/go/register. We belive that students themselves can write amazing tutorials, but teachers are welcome too. You can write about anything you want, it doesn't have to be STEM or even educational. Silly test content is very welcome and you won't be penalized in any way. Just keep it legal!
Intro to OurBigBook
. Source. We have two killer features:
- topics: topics group articles by different users with the same title, e.g. here is the topic for the "Fundamental Theorem of Calculus" ourbigbook.com/go/topic/fundamental-theorem-of-calculusArticles of different users are sorted by upvote within each article page. This feature is a bit like:
- a Wikipedia where each user can have their own version of each article
- a Q&A website like Stack Overflow, where multiple people can give their views on a given topic, and the best ones are sorted by upvote. Except you don't need to wait for someone to ask first, and any topic goes, no matter how narrow or broad
This feature makes it possible for readers to find better explanations of any topic created by other writers. And it allows writers to create an explanation in a place that readers might actually find it.
Figure 1. Screenshot of the "Derivative" topic page. View it live at: ourbigbook.com/go/topic/derivativeVideo 2. OurBigBook Web topics demo. Source. - local editing: you can store all your personal knowledge base content locally in a plaintext markup format that can be edited locally and published either:This way you can be sure that even if OurBigBook.com were to go down one day (which we have no plans to do as it is quite cheap to host!), your content will still be perfectly readable as a static site.
- to OurBigBook.com to get awesome multi-user features like topics and likes
- as HTML files to a static website, which you can host yourself for free on many external providers like GitHub Pages, and remain in full control
Figure 3. Visual Studio Code extension installation.
Figure 4. Visual Studio Code extension tree navigation.
Figure 5. Web editor. You can also edit articles on the Web editor without installing anything locally.Video 3. Edit locally and publish demo. Source. This shows editing OurBigBook Markup and publishing it using the Visual Studio Code extension.Video 4. OurBigBook Visual Studio Code extension editing and navigation demo. Source. 
- Infinitely deep tables of contents:
All our software is open source and hosted at: github.com/ourbigbook/ourbigbook
Further documentation can be found at: docs.ourbigbook.com
Feel free to reach our to us for any help or suggestions: docs.ourbigbook.com/#contact