(1) It is unclear whether a benign use of animals in research is possible or, irf possible, whether scientists could be persuaded to practice it That being so, and (2) given the serious risks run by relying on a steady supply of human volunteers, (3) research should take the direction away from the use of any moral agent or patient.
Construct Argument Patterns
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To construct argument patterns based on the given statement, we need to identify the premises and conclusions in each numbered statement.
1. Premise: It is unclear whether a benign use of animals in research is possible or, if possible, whether scientists could be persuaded to practice it.
2. Premise: Given the serious risks run by relying on a steady supply of human volunteers.
3. Conclusion: Research should take the direction away from the use of any moral agent or patient.
Now, let's construct argument patterns for each statement:
1. If it is unclear whether X is possible or whether Y would practice it, then we should consider alternative options for research involving animals.
2. If there are serious risks involved in relying on human volunteers, then alternative methods should be explored.
3. If alternative options need to be considered for research involving animals and serious risks are associated with human volunteers, then research should be directed away from involving any moral agent or patient.
Combining these argument patterns, we can summarize the logical structure of the given statement as:
Premise 1: If X is unclear or Y is uncertain, consider alternative options.
Premise 2: If Z poses serious risks, explore other methods.
Conclusion: Therefore, research should be directed away from any moral agent or patient.