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| Description: Distribution of implication over biconditional (deduction rule). |
| Ref | Expression |
|---|---|
| pm5.32da.1 |
|
| Ref | Expression |
|---|---|
| pm5.32da |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | pm5.32da.1 |
. . 3
| |
| 2 | 1 | ex 402 |
. 2
|
| 3 | 2 | pm5.32d 709 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: rexbida 2118 reubidva 2259 rabbidva 2286 reuhypd 3848 dffn5 4717 fnrnfv 4718 funiunfv 4842 dff13 4850 oaabs 5309 riotabidva 5575 mapxpen 5589 xpmapenlem3 5592 xpmapenlem4 5593 xpmapenlem5 5594 aceq6b 5904 brdom7disj 5966 ltexpi 6181 axrnegex 6436 axrrecex 6437 suprleub 7268 nnunb 7279 supxrleub 7308 zrevaddcl 7379 qrevaddcl 7455 icoshft 7577 ioojoin 7585 fzsuc 7678 2shfti 7765 sumeq2 8245 bastop2 8913 elcls2 8981 iscnp2 9037 iscncl 9047 cncnp2 9056 blrn3 9124 isopn4 9139 neibl 9154 metcnplem 9164 metcnp2 9166 metcn 9167 metcnp3 9174 cncfmet 9183 bl2ioo 9189 lmclim 9241 metelcls 9243 metcnp4 9248 opr1cn 9256 opr2cn 9257 fsumcnlem 9267 nvmfval 9596 ip1cnilem5 9716 isblo2 9783 htthlem5 9971 uptx 10226 2txcn 10229 h2hlm 10482 pjeq 10875 adjval2 11452 brafnmul 11512 kbmul 11516 adjbdln 11653 kbass2 11688 kbass5 11691 surjsec2 14467 prodeq2 14661 curgrpact 14735 cmprtr 14760 svs2 14829 svs3 14830 iscnp3 14946 fclusnei 15607 isfclusf 15625 fclusfnei 15626 infmrgelb 15766 fzsplit 15792 blssp 15844 cnresima 15891 lmtlm 15908 txmet 15925 pcoass 16085 isdivrng3 16112 isidlc 16163 pltval3 16787 glbconx 17029 |
| 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 |