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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 4337 rexxfrd 4609 sucprcreg 4696 imain 5463 f0rn0 5587 funopfv 5740 mpteqb 5796 funfvima 5950 fliftfun 6002 fvdifsuppst 6484 suppssrst 6501 suppssrgst 6502 iinerm 6881 eroveu 6900 th3qlem1 6911 updjudhf 7419 elni2 7681 genpdisj 7890 lttri3 8405 seqf1og 10971 nn0ltexp2 11161 zfz1iso 11307 ccatalpha 11395 cau3lem 11895 maxleast 11994 rexanre 12001 climcau 12129 summodc 12166 mertenslem2 12319 prodmodclem2 12360 prodmodc 12361 fprodseq 12366 bitsfzolem 12737 bitsfzo 12738 divgcdcoprmex 12896 prmind2 12914 sqrtrirr 13005 pcqmul 13102 pcxcl 13110 pcadd 13139 mul4sq 13193 prmlem1a 13241 issubg2m 14041 dvdsrtr 14457 unitgrp 14472 subrgintm 14600 islssm 14743 znidom 15041 opnneiid 15314 txuni2 15406 txbas 15408 txbasval 15417 txlm 15429 blin2 15582 tgqioo 15705 plyadd 15901 plymul 15902 ppiublem1 16192 lgsquad2lem2 16299 2sqlem5 16336 uhgr2edg 16545 uspgr2wlkeq 16704 bj-charfunr 16934 |
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