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| Mirrors > Home > ILE Home > Th. List > biimtrrid | Unicode version | ||
| Description: A mixed syllogism inference from a nested implication and a biconditional. (Contributed by NM, 5-Aug-1993.) |
| Ref | Expression |
|---|---|
| biimtrrid.1 |
|
| biimtrrid.2 |
|
| Ref | Expression |
|---|---|
| biimtrrid |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | biimtrrid.1 |
. . 3
| |
| 2 | 1 | biimpri 133 |
. 2
|
| 3 | biimtrrid.2 |
. 2
| |
| 4 | 2, 3 | syl5 32 |
1
|
| Colors of variables: wff set class |
| This proof depends on syntax axioms:
|
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 |
| This proof depends on definitions: df-bi 117 |
| This theorem is used by: 3imtr3g 204 19.37-1 1726 mo3h 2140 necon1bidc 2472 necon4aidc 2488 r19.30dc 2698 ceqex 2953 ssdisj 3581 ralidm 3628 exmid1dc 4339 rexxfrd 4611 sucprcreg 4698 imain 5466 f0rn0 5590 funopfv 5743 mpteqb 5799 funfvima 5953 fliftfun 6005 fvdifsuppst 6488 suppssrst 6505 suppssrgst 6506 iinerm 6885 eroveu 6904 th3qlem1 6915 updjudhf 7425 elni2 7687 genpdisj 7896 lttri3 8411 seqf1og 10979 nn0ltexp2 11169 zfz1iso 11315 ccatalpha 11403 cau3lem 11903 maxleast 12002 rexanre 12009 climcau 12138 summodc 12175 mertenslem2 12328 prodmodclem2 12369 prodmodc 12370 fprodseq 12375 bitsfzolem 12746 bitsfzo 12747 divgcdcoprmex 12905 prmind2 12923 sqrtrirr 13014 pcqmul 13111 pcxcl 13119 pcadd 13148 mul4sq 13202 prmlem1a 13250 issubg2m 14051 dvdsrtr 14517 unitgrp 14532 subrgintm 14660 islssm 14803 znidom 15101 opnneiid 15390 txuni2 15482 txbas 15484 txbasval 15493 txlm 15505 blin2 15658 tgqioo 15781 plyadd 15977 plymul 15978 ppiublem1 16291 lgsquad2lem2 16406 2sqlem5 16443 uhgr2edg 16652 uspgr2wlkeq 16811 bj-charfunr 17041 |
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