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Mirrors > Home > ILE Home > Th. List > bitr2i | Unicode version |
Description: An inference from transitive law for logical equivalence. (Contributed by NM, 5-Aug-1993.) |
Ref | Expression |
---|---|
bitr2i.1 | |
bitr2i.2 |
Ref | Expression |
---|---|
bitr2i |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | bitr2i.1 | . . 3 | |
2 | bitr2i.2 | . . 3 | |
3 | 1, 2 | bitri 183 | . 2 |
4 | 3 | bicomi 131 | 1 |
Colors of variables: wff set class |
Syntax hints: wb 104 |
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 |
This theorem is referenced by: 3bitrri 206 3bitr2ri 208 3bitr4ri 212 nan 681 pm4.15 683 3or6 1301 sbal1yz 1976 2exsb 1984 moanim 2073 2eu4 2092 cvjust 2134 abbi 2253 sbc8g 2916 ss2rab 3173 unass 3233 unss 3250 undi 3324 difindiss 3330 notm0 3383 disj 3411 unopab 4007 eqvinop 4165 pwexb 4395 dmun 4746 reldm0 4757 dmres 4840 imadmrn 4891 ssrnres 4981 dmsnm 5004 coundi 5040 coundir 5041 cnvpom 5081 xpcom 5085 fun11 5190 fununi 5191 funcnvuni 5192 isarep1 5209 fsn 5592 fconstfvm 5638 eufnfv 5648 acexmidlem2 5771 eloprabga 5858 funoprabg 5870 ralrnmpo 5885 rexrnmpo 5886 oprabrexex2 6028 dfer2 6430 euen1b 6697 xpsnen 6715 rexuz3 10762 tgval2 12220 ssntr 12291 metrest 12675 sinhalfpilem 12872 |
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