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| Description: Express implication in terms of conjunction. |
| Ref | Expression |
|---|---|
| imnan |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-an 242 |
. 2
| |
| 2 | 1 | con2bii 238 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: pm4.15 380 anass 487 pm5.18OLD 723 pm5.17 731 dfbi3 733 nan 753 ecase2d 824 nic-ax 1239 nic-axALT 1240 alinexa 1389 dfsb3 1596 a12lem2 1768 a12study 1769 ralinexa 2143 eueq3 2430 pssn2lp 2709 ssnpssOLD 2713 difinOLD 2832 disj 2914 minel 2929 inssdif0OLD 2941 disjsn 3089 sotric 3615 fr0 3636 ordtri1 3693 ordtri1OLD 3694 dfwe2OLD 3862 ordsucss 3899 onuninsuci 3921 ordunisuc2 3926 funun 4462 imadif 4493 oalimcl 5242 omlimcl 5257 unblem1 5633 suppr 5680 ordiso 5683 kmlem4 5930 alephnbtwn 6016 alephsucpw 6018 alephsucdom 6028 cfsuc 6063 genpnnp 6260 ltnsym2OLD 6704 xrltnsym2 6726 nneoi 7409 sqr2irrlem3 7976 aleph1re 8820 clsval2 8961 ntreq0 8984 bcthlem7 9283 nmounbi 9778 pilem1 10020 fsubbas 10281 fbunfip 10282 cvnsym 11862 hatomistici 11934 bnj1215 12991 bnj1305 13048 bnj1474 13151 bnj1533 13182 bnj1284 13482 poseq 13954 axdenselem5 14023 axdenselem7 14025 nocvxminlem 14028 df3nandALT1 14146 df3nandALT2 14147 cnfilca 14927 ordisoOLD 15374 fbasfip 15556 filssufillem 15570 fixufil 15576 rnelfmlem 15592 flimfnfcls 15615 nninfnub 15819 n0el 16248 pm10.57 16318 strdif 16719 pltn2lp 16789 hlatmstc 17047 |
| 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 164 df-an 242 |