The effects of reinforcer magnitude and response requirement on pigeons' say choices in an experimental homologue of human say-do correspondence were assessed in two experiments. The procedure was similar to a conditional discrimination procedure except the pigeons chose both a sample stimulus (the say component) and a comparison stimulus that corresponded to it (the do component). Corresponden...

The Quranic statement that Jesus predicted Muhammad by name is examined in light of the expectation of what the “kingdom of God” was. The concept of the kingdom of God as being the light or fire of the Holy Spirit at Pentecost is contrasted with the Sufi concept of the “Light of Muhammad.” Pentecost could be the Light of Muhammad coming upon the apostles of Christ; the Light is the same, but kn...