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| Description: Deduction negating both sides of a logical equivalence. |
| Ref | Expression |
|---|---|
| bid.1 |
|
| Ref | Expression |
|---|---|
| negbid |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | bid.1 |
. 2
| |
| 2 | pm4.11 520 |
. 2
| |
| 3 | 1, 2 | sylib 198 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: imbi1d 611 con3th 763 equsex 1135 drex1 1139 cbvex 1149 hbsb4 1232 cbvexd 1303 ax11inda 1348 2mo 1424 neeq1 1566 neeq2 1567 necon3abid 1575 neleq1 1618 neleq2 1619 gencbval 1815 cla4egf 1836 cla42gv 1840 ru 1909 sbcng 1940 sbcrext 1962 sbcrexgf 1964 eldif 2028 difeq2 2125 disjne 2286 prel12 2454 nalset 2680 dtruALT 2716 dtru 2740 opprc1b 2763 poeq1 2806 pocl 2808 sotric 2824 sotrieq 2825 so 2828 rexxfrd 2861 rexxfr 2864 elpwunsn 2875 dffr2 2882 freq1 2885 efrirr 2891 tz7.2 2894 wereu 2908 nordeq 2930 ordtri1 2943 ordtri3 2946 ordsucsssuc 3037 orduninsuc 3077 dfom2 3096 omssnlim 3108 ssnlim 3130 vtoclibr 3175 rexxp 3181 weinxp 3195 cnvpo 3463 fvco 3713 cbvexfo 3825 f1oweALT 3845 canth 3846 tz7.44-2 3868 rdglem2 3877 tz7.48lem 3894 abianfp 3901 ndmoprg 3982 ndmoprgOLD 3983 oacan 4120 omlimcl 4147 nneob 4193 2dom 4362 0sdomg 4400 php 4445 nndomo 4452 nnsdomo 4453 omsdomnn 4461 unfilem1 4476 supmo 4502 supub 4506 suplub 4507 suppr 4514 supsnALT 4516 zfregcl 4519 elirrv 4522 elirr 4523 en2lp 4526 noinfep 4564 rankr1g 4599 hta 4652 ac6n 4681 kmlem2 4690 kmlem4 4692 zorn2 4720 domtri 4761 alephord3 4801 alephval3 4826 axpowndlem2 4873 axpowndlem3 4874 axpowndlem4 4875 axregnd 4879 ltsopi 4939 addnidpi 4951 ltsopq 4998 genpnnp 5031 ltexprlem7 5071 addcanpr 5075 prlem936 5078 reclem1pr 5079 reclem3pr 5081 supexpr 5086 ltsosr 5126 suppsr 5145 supsrlem6 5153 supre 5183 ltsor 5184 xrlenltt 5424 axlttri 5426 axsup 5430 muln0bt 5617 lediv1t 5757 lemuldivt 5775 le2msq 5781 lbinfm 5946 infm3 5952 infmsup 5966 xrsupexmnf 5972 xrinfmexpnf 5973 xrsupsslem 5974 xrinfmsslem 5975 xrub 5978 supxr 5979 supxrre 5981 lt0nnn0 6014 znnnlt1t 6054 nneot 6096 qbtwnxr 6168 indstr 6344 sqrlem18 6571 sqrlem21 6574 sqrlem22 6575 sqr2irrlem3 6607 bccl2t 6860 climrecl 6998 climge0 7000 climubi 7040 eirr 7286 acdc3 7380 acdc2 7383 acdc5 7386 acdc 7388 ruclem29 7432 ruclem35 7438 ruclem37 7440 ruclem39 7442 infxpidmlem10 7455 clsval2 7578 elcls 7596 bl2in 7731 tgioolem 7801 dscmet 7804 bcthlem9 7889 bcthlem33 7913 efif1lem6 8563 fiiu 8709 fiiu2 8734 cdrci 8738 isfil 8783 fipfil2 8789 efilcp2 8800 cnfilca 8801 iintlem1 8826 chpsscon3t 9555 chnlet 9566 nonbool 9727 pjnelt 9802 eigortht 9895 specvalt 9955 eighmortht 10018 nmcoplb 10087 nmcfnlb 10116 str 10308 hstr 10316 cvbrt 10333 cvcon3t 10335 chcv1t 10404 cvexchlem 10417 chrelat2t 10419 atnem0 10426 |
| 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 df-an 225 |