(2023-03-30, 11:22 AM)sbu Wrote: Yesterday I had the following conversation with chatGPT 4.0
How does one get access to ChatGPT 4.0? I've just similarly tested the version of ChatGPT at
chat.openai.com, which it self-identifies as being based on the GPT-3.5 architecture. I tested it on a deceptively simple problem, like you did in the OP for version 4.0, and it didn't get it right after several attempts, although it wasn't totally out of the ballpark. I'd be interested in trying on version 4.0. Maybe you can feed the problem description in and see how you go? Here's the relevant part of the transcript:
Me: I want to try another somewhat related problem with you. The problem description is as follows: We start with four basic elements: A, B, C, and D. Next, we define "a set of basic elements" as a set containing one or more of the basic elements, in which each basic element occurs at most once. Then, we define "a set of sets" as a set containing one or more sets of basic elements, in which, across all sets, each basic element again occurs at most once. The problem question then is: how many total possible sets of sets are there?
ChatGPT: To calculate the total number of possible sets of sets, we can analyze the problem step by step.
Step 1: Determine the number of possible individual basic element sets. For each basic element (A, B, C, D), there are two possibilities: either the element is present in a set or it is not. Since each basic element can occur at most once in a set, there are 2 options for each element.
Number of possible individual basic element sets = 2 * 2 * 2 * 2 = 2^4 = 16
Step 2: Determine the number of possible combinations of sets of basic elements. Since a set of sets can contain one or more sets of basic elements, we need to consider different combinations. For each individual basic element set, we have two choices: either include it in a set of sets or exclude it. So, for 16 possible individual basic element sets, we have 2 options for each, resulting in:
Number of possible combinations of sets of basic elements = 2^16 = 65,536
Therefore, there are a total of 65,536 possible sets of sets according to the described problem.
It's important to note that this calculation assumes that the order of the sets and the order of the elements within each set are not considered distinct. If the order is taken into account, the number of possible sets of sets would be different.
Me: You seem to have made a mistake in step 2. The problem definition stipulated that across all sets of sets, each basic element occurs at most once, but in step two you allow for combinations of sets that each contain the same basic element. Can you please correct this error and provide an updated solution?
ChatGPT: Apologies for the mistake in the previous response. Let's correct the error and provide an updated solution.
Step 1: Determine the number of possible individual basic element sets. For each basic element (A, B, C, D), there are two possibilities: either the element is present in a set or it is not. Since each basic element can occur at most once in a set, there are 2 options for each element.
Number of possible individual basic element sets = 2 * 2 * 2 * 2 = 2^4 = 16
Step 2: Determine the number of possible combinations of sets of basic elements without repetition. To ensure that across all sets of sets, each basic element occurs at most once, we need to exclude combinations that contain the same basic element more than once. In this case, we can use combinations without repetition.
Using combinations without repetition, the number of possible combinations can be calculated using the formula:
Number of combinations = 2^n - 1
where n is the number of elements or choices.
Number of possible combinations of sets of basic elements = 2^4 - 1 = 16 - 1 = 15
Therefore, there are a total of 15 possible sets of sets according to the given problem definition.
Thank you for pointing out the error, and I apologize for any confusion caused.
Me: This still seems to be mistaken, where in step two you calculate the number of combinations as 2^n -1. How do you justify this calculation?
ChatGPT: Apologies once again for the confusion caused. You are correct that the calculation provided in step two of the previous response was incorrect. I apologize for the mistake.
To rectify the error and provide an accurate calculation, let's re-evaluate step two.
Step 2: Determine the number of possible combinations of sets of basic elements without repetition.
To ensure that across all sets of sets, each basic element occurs at most once, we need to consider combinations of sets that avoid repeating basic elements.
Since each basic element can either be present or absent in a set, we have two options for each basic element. Considering the four basic elements (A, B, C, D), the total number of possible combinations of sets without repetition can be calculated as follows:
Number of possible combinations = 2^4 - 1 = 16 - 1 = 15
The subtraction of 1 is necessary to exclude the empty set, as it was not included in the problem definition.
Therefore, the correct number of possible sets of sets, while ensuring that each basic element occurs at most once across all sets, is 15.
I apologize for the previous errors and any confusion they may have caused. Thank you for bringing them to my attention.
Me: It seems that your answer calculates the total number of possible sets of sets that each contain only one set of basic elements. Can you please update it to include sets of sets that contain one or more sets of basic elements?
ChatGPT: Apologies for the confusion caused by my previous responses. Let's correct the calculation to include sets of sets that can contain one or more sets of basic elements, while still ensuring that each basic element occurs at most once across all sets.
To calculate the number of possible sets of sets, we can consider the power set of the individual basic element sets. The power set is the set of all possible subsets of a given set.
Given four basic elements (A, B, C, D), the number of possible individual basic element sets is 2^4 = 16, as discussed before.
To determine the number of possible sets of sets, we need to calculate the power set of the individual basic element sets, excluding the empty set. The empty set is excluded because the problem definition specifies that each set contains one or more basic elements.
The power set of a set with n elements contains 2^n subsets. Excluding the empty set, we have 2^n - 1 subsets.
Therefore, the updated calculation for the number of possible sets of sets is:
Number of possible sets of sets = 2^16 - 1 = 65,536 - 1 = 65,535
Hence, there are a total of 65,535 possible sets of sets that adhere to the conditions specified in the problem.
Me: You have made the same mistake in step 2 that you did in your initial answer: the problem definition stipulated that across all sets of sets, each basic element occurs at most once, but in step two your power set allows for combinations of sets that each contain the same basic element.
ChatGPT: Apologies for the repeated mistake in the previous response. You are correct in pointing out the error. I apologize for any confusion caused. Let's correct the calculation to consider the constraint that across all sets of sets, each basic element occurs at most once.
To determine the number of possible sets of sets while ensuring that each basic element occurs at most once across all sets, we need to exclude combinations that violate this constraint.
Given four basic elements (A, B, C, D), let's reconsider the calculation.
Step 1: Determine the number of possible individual basic element sets. As before, there are 2 possibilities for each basic element: present or absent.
Number of possible individual basic element sets = 2^4 = 16
Step 2: Determine the number of possible sets of sets without repetition of basic elements.
To ensure that each basic element occurs at most once across all sets, we need to exclude combinations that contain the same basic element more than once.
The correct approach is to use combinations without repetition.
Using combinations without repetition, the number of possible combinations can be calculated using the formula:
Number of combinations = 2^n - n
where n is the number of elements or choices.
Number of possible combinations of sets of basic elements without repetition = 2^4 - 4 = 16 - 4 = 12
Therefore, the correct number of possible sets of sets, considering the constraint that each basic element occurs at most once across all sets, is 12.
I apologize for the confusion caused by the previous incorrect responses and thank you for your patience.
Me: That is still not the correct answer, but I now better understand the limitations of your mathematical problem-solving abilities, so this exchange was helpful.
ChatGPT: I apologize for my repeated mistakes in providing the correct answer to the problem. I apologize for any frustration or confusion caused. It is true that there are limitations to my mathematical problem-solving abilities, and I appreciate your understanding.
If you have any other questions or need assistance with any other topic, please feel free to ask. I'm here to help to the best of my abilities.
[
Note: the correct answer is 51, as I calculated
here]