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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 172 |
. 2
|
| 3 | bitr3.2 |
. 2
| |
| 4 | 2, 3 | bitr 173 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: 3bitrr 178 3bitr3 181 3bitr3r 182 orordi 266 orordir 267 anabs5 493 anandi 510 anandir 511 xor 671 pm5.24 672 xor2 673 nicodraw 952 equsb3lem 1329 elsb3 1331 sbelx 1344 euan 1428 2mos 1448 abeq1i 1571 necon1bbii 1617 r19.41v 1763 reeanv 1778 moeq 1920 2reuswap 1937 elabs2 1964 abss 2117 ssab 2118 uniiunlem 2132 difrab 2273 n0 2289 vdif0 2328 difin0ss 2332 ssiin 2599 unopab 2679 axrep5 2698 axsep 2702 intexab 2731 uniuni 2880 reusn 2892 reuxfr 2904 dfwe2 2935 wefrc 2943 ordelord 2970 onminex 3020 orduniorsuc 3087 dfom2 3133 tfinds2 3165 brinxp2 3231 dmsnop 3328 resieq 3376 resiexg 3396 iss 3397 imai 3417 intasym 3438 asymref 3439 cnvi 3447 dffun3 3527 funopg 3547 fcoi2 3646 fin 3651 f1cnv 3666 funimass4 3763 fvreseq 3799 fopab3 3826 fnressn 3837 fopabap 3841 abrexexlem2 3859 imaiun 3864 tz7.48lem 3955 resoprab 4009 oprabval6g 4032 foprab2 4119 ecelqsdm 4299 xpassen 4441 php 4513 infeq5 4621 rankeq0 4696 rankxplim 4712 scott0s 4719 aceq1 4729 aceq5lem1 4735 aceq5lem2 4736 kmlem3 4767 kmlem8 4772 kmlem16 4780 alephval2 4902 cflem 4905 cf0 4910 ltpiord 5015 distrlem5pr 5131 psslinpr 5135 reclem1pr 5156 reclem2pr 5157 suppsr3 5224 ssxr 5540 ltmullem 5640 div11 5764 posex 5908 infm3 6054 infmsup 6068 supxrre 6083 elnnz1 6155 ioo0t 6368 nnwos 6460 sqeqor 6647 discrlem3 6658 sqr2irrlem1 6724 cjreb 6781 cau3ir 6915 sumex 6981 climuz0 7108 cvgcmpub 7185 isumnn0nna 7208 isummulc1a 7214 efcnlem1 7419 tgss3t 7638 blfval2 7836 lmfval 7925 bcthlem7 8005 ghgrpilem2 8134 nvvcop 8213 sspval 8382 lnon0 8458 efifolem2 8723 efif1lem5 8734 efif1lem7 8736 pjpj0 9255 spansncv 9597 pjssm 9626 nmlnopgt0 9922 large 10194 cvexchlem 10295 cnfilca 10583 cnfilcaOLD 10584 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 |
| This theorem depends on definitions: df-bi 147 |