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Mirrors > Home > ILE Home > Th. List > syl121anc | Unicode version |
Description: Syllogism combined with contraction. (Contributed by NM, 11-Mar-2012.) |
Ref | Expression |
---|---|
sylXanc.1 |
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sylXanc.2 |
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sylXanc.3 |
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sylXanc.4 |
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syl121anc.5 |
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Ref | Expression |
---|---|
syl121anc |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | sylXanc.1 |
. 2
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2 | sylXanc.2 |
. . 3
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3 | sylXanc.3 |
. . 3
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4 | 2, 3 | jca 304 |
. 2
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5 | sylXanc.4 |
. 2
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6 | syl121anc.5 |
. 2
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7 | 1, 4, 5, 6 | syl3anc 1217 |
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 105 ax-ia2 106 ax-ia3 107 |
This theorem depends on definitions: df-bi 116 df-3an 965 |
This theorem is referenced by: syl122anc 1226 tfisi 4509 tfrcllemsucfn 6258 sbthlemi6 6858 sbthlemi8 6860 div32apd 8598 div13apd 8599 expdivapd 10469 modfsummodlemstep 11258 ennnfonelemg 11952 ssblex 12639 |
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