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| Description: An inference from transitive law for logical equivalence. |
| Ref | Expression |
|---|---|
| bitr3.1 |
|
| bitr3.2 |
|
| Ref | Expression |
|---|---|
| bitr3 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | bitr3.1 |
. . 3
| |
| 2 | 1 | bicomi 150 |
. 2
|
| 3 | bitr3.2 |
. 2
| |
| 4 | 2, 3 | bitr 151 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: 3bitr3 156 3bitr3r 157 orordi 222 orordir 223 anabs5 375 anandi 392 anandir 393 xor 500 sb5y 883 sbelx 994 euanv 1053 2eu5 1071 cleqabri 1177 sbabel 1189 r19.41v 1302 reeanv 1316 2reuswap 1341 moeq 1431 elabs2 1457 zfrep3 1476 zfaus 1480 sspsstri 1572 reuxfr 1580 difrab 1695 vdif0 1749 difin0ss 1753 intexab 1987 dfiin2 2015 ssiin 2024 unopab 2121 poirr 2133 dfwe2 2187 wefrc 2195 ordelord 2221 ordtri3or 2230 onminex 2275 dfom2 2374 tfinds2 2405 dmopab2 2541 dmsnop 2547 reldm0 2550 iss 2599 imai 2613 eliniseg 2618 intasym 2627 cnvi 2634 imaiun 2650 dmco2 2673 dffun3 2675 funcnv2 2702 fununi 2705 fcoi2 2766 fin 2770 f1cnv 2782 fvreseq 2882 fsn 2895 fnressn 2897 abrexexlem2 2911 iinon 2948 tz7.48lem 2993 fnoprval 3042 ecelqsdm 3235 xpassen 3344 php 3409 inf5 3472 scott0s 3544 aceq1 3552 aceq5lem1 3558 aceq5lem2 3559 kmlem3 3582 kmlem4 3583 kmlem11 3590 kmlem13 3592 kmlem14 3593 kmlem15 3594 kmlem16 3595 cflem 3700 cf0 3705 ltpiord 3809 distrlem5pr 3925 psslinpr 3929 ltexprlem4 3939 reclem1pr 3950 reclem2pr 3951 suppsr3 4018 div11 4252 ltmullem 4337 lesub0 4341 elnnz1 4581 nnwos 4610 discrlem3 4715 sqr2irrlem1 4777 cjre 4811 absgt0 4842 pjthu 5241 pjthu2 5242 pjpj0 5259 shne0 5372 spansncv 5542 pjssm 5572 pjnel 5665 large 5700 chrelat2 5758 cvexchlem 5759 |
| This theorem was proved from axioms: ax-1 3 ax-2 4 ax-3 5 ax-mp 6 |
| This theorem depends on definitions: df-bi 128 |