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Mirrors > Home > ILE Home > Th. List > condcOLD | Unicode version |
Description: Obsolete proof of condc 853 as of 18-Nov-2023. (Contributed by Jim Kingdon, 13-Mar-2018.) (Proof modification is discouraged.) (New usage is discouraged.) |
Ref | Expression |
---|---|
condcOLD |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-dc 835 |
. 2
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2 | ax-1 6 |
. . . 4
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3 | 2 | a1d 22 |
. . 3
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4 | pm2.27 40 |
. . . 4
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5 | ax-in2 615 |
. . . 4
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6 | 4, 5 | syl6 33 |
. . 3
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7 | 3, 6 | jaoi 716 |
. 2
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8 | 1, 7 | sylbi 121 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() ![]() |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in2 615 ax-io 709 |
This theorem depends on definitions: df-bi 117 df-dc 835 |
This theorem is referenced by: (None) |
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