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| Description: Express implication in terms of conjunction. |
| Ref | Expression |
|---|---|
| imnan |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-an 225 |
. 2
| |
| 2 | 1 | con2bii 221 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: pm4.15 353 anass 439 pm5.18 660 pm5.17 668 dfbi3 670 nan 689 ecase2d 751 nicodraw 952 alinexa 1042 dfsb3 1226 a12lem2 1377 a12study 1378 ralinexa 1683 eueq3 1919 ssnpss 2149 difin 2245 disj 2311 minel 2324 inssdif0 2333 sotric 2860 fr0 2927 dfwe2 2935 ordtri1 2980 ordsucss 3069 onuninsuc 3108 ordunisuc2 3115 funun 3554 imadif 3574 oalimcl 4194 omlimcl 4209 0nelqs 4298 unblem1 4540 suppr 4590 kmlem4 4768 alephnbtwn 4868 alephsucpw 4870 alephsucdom 4880 cfsuc 4915 genpnnp 5108 ltnsym2t 5533 xrltnsym2t 5551 nneo 6197 sqr2irrlem3 6726 aleph1re 7551 clsval2 7685 ntreq0 7708 bcthlem7 8005 nmounbi 8439 pilem1 8671 cvnsymt 10217 hatomistic 10289 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 df-an 225 |