Line 162: |
Line 162: |
| | | |
| {| align="center" cellpadding="10" | | {| align="center" cellpadding="10" |
− | | [[Image:PERS_Figure_12.jpg|500px]] || (12) | + | | [[Image:PERS_Figure_12.jpg|500px]] || (α) |
| |} | | |} |
| | | |
Line 168: |
Line 168: |
| | | |
| {| align="center" cellpadding="10" | | {| align="center" cellpadding="10" |
− | | [[Image:PERS_Figure_13.jpg|500px]] || (13) | + | | [[Image:PERS_Figure_13.jpg|500px]] || (β) |
| |} | | |} |
| | | |
Line 193: |
Line 193: |
| | | |
| {| align="center" cellpadding="10" | | {| align="center" cellpadding="10" |
− | | [[Image:PERS_Figure_14.jpg|500px]] || (14) | + | | [[Image:PERS_Figure_14.jpg|500px]] || (α) |
| |} | | |} |
| | | |
Line 199: |
Line 199: |
| | | |
| {| align="center" cellpadding="10" | | {| align="center" cellpadding="10" |
− | | [[Image:PERS_Figure_15.jpg|500px]] || (15) | + | | [[Image:PERS_Figure_15.jpg|500px]] || (β) |
| |} | | |} |
| | | |
− | ====Majority function example==== | + | ====Two-thirds majority function==== |
| | | |
| Consider the following equation in boolean algebra, posted as a [http://mathoverflow.net/questions/9292/newbie-boolean-algebra-question problem for proof] at [http://mathoverflow.net/ MathOverFlow]. | | Consider the following equation in boolean algebra, posted as a [http://mathoverflow.net/questions/9292/newbie-boolean-algebra-question problem for proof] at [http://mathoverflow.net/ MathOverFlow]. |
| | | |
− | {| align="center" cellpadding="10" | + | {| align="center" cellpadding="20" |
| | | | | |
| <math>\begin{matrix} | | <math>\begin{matrix} |
Line 215: |
Line 215: |
| a b + a c + b c | | a b + a c + b c |
| \end{matrix}</math> | | \end{matrix}</math> |
| + | | (α) |
| |} | | |} |
| | | |
− | =====Proof 1 : Storyboard=====
| + | The required equation can be proven in the medium of logical graphs as shown in the following Figure. |
| | | |
| {| align="center" cellpadding="8" | | {| align="center" cellpadding="8" |
Line 261: |
Line 262: |
| | [[Image:Equational Inference QED.jpg|500px]] | | | [[Image:Equational Inference QED.jpg|500px]] |
| |} | | |} |
− | | (16) | + | | (β) |
| |} | | |} |
− |
| |
− | =====Proof 1 : Animation=====
| |
| | | |
| Here's an animated recap of the graphical transformations that occur in the above proof: | | Here's an animated recap of the graphical transformations that occur in the above proof: |
Line 274: |
Line 273: |
| | [[Image:Majority Function Example 2.0 Animation.gif]] | | | [[Image:Majority Function Example 2.0 Animation.gif]] |
| |} | | |} |
− | | (17) | + | | (γ) |
| |} | | |} |
| | | |