| 第348行: |
第348行: |
| | suff + nec' - 1 | | suff + nec' - 1 |
| | </math> | | </math> |
| − | |<ref>Suppes, P. (1973). A probabilistic theory of causality. ''British Journal for the Philosophy of Science'', ''24''(4).</ref> | + | |<ref name=suppes_1970/> |
| | |- | | |- |
| | |Eells度量 | | |Eells度量 |
| 第355行: |
第355行: |
| | </math> | | </math> |
| | |<math>suff(e,c)+nec(e,c)-1</math> | | |<math>suff(e,c)+nec(e,c)-1</math> |
| − | |<ref name="pearl_causality" /><ref>Eells, E. (1991). ''Probabilistic causality'' (Vol. 1). Cambridge University Press.</ref> | + | |<ref name=eells_1991/> |
| | |- | | |- |
| | |Cheng度量 | | |Cheng度量 |
| | |<math>suff(e,c)-nec^{\dagger}(e)</math> | | |<math>suff(e,c)-nec^{\dagger}(e)</math> |
| | |<math>\frac{suff(e,c)+nec(e,c)-1}{nec(e,c)}</math> | | |<math>\frac{suff(e,c)+nec(e,c)-1}{nec(e,c)}</math> |
| − | |<ref name="pearl_causality" /><ref>Cheng, P. W., & Novick, L. R. (1991). Causes versus enabling conditions. ''Cognition'', ''40''(1-2), 83-120.</ref> | + | |<ref name=Cheng_1997/> |
| | |- | | |- |
| | |Judea Pearl度量 | | |Judea Pearl度量 |
| 第369行: |
第369行: |
| | <math>\mathrm{PN}=\frac{suff(e,c)+nec(e,c)-1}{suff(e,c)}</math> | | <math>\mathrm{PN}=\frac{suff(e,c)+nec(e,c)-1}{suff(e,c)}</math> |
| | <math>\mathrm{PS}=\frac{suff(e,c)+nec(e,c)-1}{nec(e,c)}</math> | | <math>\mathrm{PS}=\frac{suff(e,c)+nec(e,c)-1}{nec(e,c)}</math> |
| − | |<ref name="pearl_causality" /><ref>Lewis, D. (1973). Causation. ''The journal of philosophy'', ''70''(17), 556-567.</ref> | + | |<ref name="pearl_causality" /> |
| | |- | | |- |
| | |有效信息EI | | |有效信息EI |