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Mirrors > Home > ILE Home > Th. List > df-case | Unicode version |
Description: The "case"
construction: if ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
Ref | Expression |
---|---|
df-case |
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cR |
. . 3
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2 | cS |
. . 3
![]() ![]() | |
3 | 1, 2 | cdjucase 6830 |
. 2
![]() ![]() ![]() ![]() ![]() ![]() |
4 | cinl 6793 |
. . . . 5
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5 | 4 | ccnv 4453 |
. . . 4
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6 | 1, 5 | ccom 4458 |
. . 3
![]() ![]() ![]() ![]() ![]() ![]() |
7 | cinr 6794 |
. . . . 5
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8 | 7 | ccnv 4453 |
. . . 4
![]() ![]() |
9 | 2, 8 | ccom 4458 |
. . 3
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10 | 6, 9 | cun 3000 |
. 2
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11 | 3, 10 | wceq 1290 |
1
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Colors of variables: wff set class |
This definition is referenced by: casefun 6832 casedm 6833 caserel 6834 caseinj 6836 caseinl 6838 |
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