How to Check a Proof (2024)

Viewing a proof is one of the easiest ways to ensure that your print job goes smoothly. Proofs allow you to check the layout, color breaks, fold positions and other details so you can make necessary changes before your order goes to press. This is especially important if the job involves typesetting, color separation, or any other layout work done after the job leaves your office.

DES Printing and Imaging offers a wide variety of proofing options, from simple black-and-white laser proofs to full-color proofs. You can either view a proof at our main plant, or we will send you a proof by mail, fax or courier - depending on the type of proof and where you’re located.

Checking Your Proof

Regardless of the type of proof used for a print job, it is essential that you review your proof carefully and mark corrections clearly. Use a pen in a color that will show up easily, usually red works best. Write directly on the proof, and use standard proofreading marks whenever possible. Please don’t use sticky notes or a separate sheet of paper to indicate changes because they tend to become separated from the proof as it travels through the production process. However, if you have long or complex instructions, you may staple an additional sheet to the proof.

Proofreading for typographical errors should be done before your job is submitted. When you check your proof, concentrate on the look and binding of the piece, paying careful attention to details. Use the following checklist to proof your job effectively:

  • Are the flat and folded sizes of your piece correct?
  • Is the piece folded properly, with all the copy on the right panels?
  • Is the binding correct?
  • Is the position of all perforations, scores or holes indicated correctly?
  • Are the pages, including blanks, in the right order?
  • Are all the margins straight and consistent?
  • Do all the design elements work as planned? Check the length and thickness of rules, placement of type and graphics, correct fonts, etc.
  • Are there any missing characters or broken type?
  • Is the correct page number in the correct position on each page?
  • Are there any dust spots, printing marks or dirt marks showing?
  • Have all photos, illustrations or other additions been properly sized and placed in the correct position?
  • Has all FPO (For Position Only) art been replaced with high-resolution images?
  • Does each image have the proper caption?
  • Are the edges of the graphics smooth?
  • Do photographs fully touch their outline rules?
  • Are all the screens of the desired density, and are they placed correctly?
  • Do all bleeds extend to the edge?
  • Have all the reverses been made?
  • Are the ink colors in the proper places?
  • Do areas of different ink colors align properly?

Since the proof is used as a guide in the rest of the printing process, we can’t proceed with your order until the proof is approved. This means that the speed with which you return a proof has a direct impact on our ability to turn your job around quickly. If you must send the proof to other parties, please figure this extra time into your requested due date.

When you are done checking your proof, complete and sign the tag attached to the proof. Be sure to indicate whether you need a second revised proof or if we can proceed with production after making changes. Then return the proof to us and relax, knowing that your job will be completed just as you planned.

Proofreading Marks

The following proofreading marks are universally understood. You can help ensure that your revision requests are correctly understood by using these standard marks whenever possible.

How to Check a Proof (2024)

FAQs

How to check a proof? ›

Checking Your Proof. Regardless of the type of proof used for a print job, it is essential that you review your proof carefully and mark corrections clearly. Use a pen in a color that will show up easily, usually red works best. Write directly on the proof, and use standard proofreading marks whenever possible.

How to solve proof questions? ›

Work through the proof backwards.

It's often easiest to think through the problem backwards. Start with the conclusion, what you're trying to prove, and think about the steps that can get you to the beginning. Manipulate the steps from the beginning and the end to see if you can make them look like each other.

How to do proofs correctly? ›

In a direct proof, the first thing you do is explicitly assume that the hypothesis is true for your selected variable, then use this assumption with definitions and previously proven results to show that the conclusion must be true. Direct Proof Walkthrough: Prove that if a is even, so is a2.

How can I understand better proofs? ›

Try to identify and elaborate the main ideas in the proof. Attempt to explain each line in terms of previous ideas. These may be ideas from the information in the proof, ideas from previous theorems/proofs, or ideas from your own prior knowledge of the topic area.

What makes a proof valid? ›

A more precise definition of a proof is that it's a sequence of statements, where every statement is either something already known to be true, or can be deduced from earlier statements in the sequence by logical deduction, and where the final statement in the sequence is the thing being proved.

What is the easiest method of proof? ›

The first two methods of proof, the “Trivial Proof” and the “Vacuous Proof” are certainly the easiest when they work. Notice that the form of the “Trivial Proof”, q → (p → q), is, in fact, a tautology. This follows from disjunction introduction, since p → q is equivalent to ¬p ∨ q.

How to answer prove questions? ›

For solving the proof question you may first write all the given values or variable and the thing what you have to proof and then you can start your proof when every variable is written on your sheet then you easily able to proof the question.

What is the proof technique? ›

A common proof technique is to apply a set of rewrite rules to a goal until no further rules apply. The rewritten goal is then said to be in normal form. It is highly desirable if this rewriting process terminates.

What is proof calculation? ›

This terminology began in the the UK however in the US, currently the term Proof is determined by multiplying the alcohol % by volume (ABV) X 2. Thus an alcohol product labeled as 80 Proof is 40% alcohol by volume. An Alcohol product that is 50% ABV would be labeled at 100 Proof.

Why are proofs difficult? ›

Proofs require the ability to think abstractly, that is, universally. They also require a little appreciation for mathematical culture; for instance, when a mathematician uses the word "trivial" in a proof, they intend a different meaning to how the word is understood by the wider population.

How to solve writing proofs? ›

The Structure of a Proof
  1. Draw the figure that illustrates what is to be proved. ...
  2. List the given statements, and then list the conclusion to be proved. ...
  3. Mark the figure according to what you can deduce about it from the information given. ...
  4. Write the steps down carefully, without skipping even the simplest one.

What makes a good proof? ›

It starts with things we are assuming to be true. It ends with the thing we are trying to prove. So, like a good story, a proof has a beginning, a middle and an end. The point is that we're given the beginning and the end, and somehow we have to fill in the middle.

How do you explain proof in math? ›

What is a proof in mathematics? The definition of a proof is the logical way in which mathematicians demonstrate that a statement is true. In general, these statements are known as theorems and lemmas. A theorem is a declaration that can be determined to be true using mathematical operations and arguments.

How to prove a statement? ›

There are three ways to prove a statement of form “If A, then B.” They are called direct proof, contra- positive proof and proof by contradiction. DIRECT PROOF. To prove that the statement “If A, then B” is true by means of direct proof, begin by assuming A is true and use this information to deduce that B is true.

How to check print proofs? ›

Checking Proofs
  1. Spelling, grammar and punctuation.
  2. Contact details (phone numbers, names, email addresses, dates, times)
  3. Size (from tiny A7, to giant A0 – size really matters when it comes to print!)
  4. Pictures and logos (are they sharp enough?)
Oct 20, 2015

How do you identify proof? ›

However, proof coins are made in a way to create a cameo effect - the designs are frosted and the fields are highly reflective. The contrast between the two parts of one coin is what helps the professionals grade and recognize the proof coin.

What are the 5 parts of a proof? ›

How to Describe the Main Parts of a Proof. A geometric proof uses the given statement, facts, deduction, logic, and a figure from which the given statement is proven. All of these arguments, together with their reasons, are written down, and then the answer is given.

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