| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > ILE Home > Th. List > biimtrrid | GIF version | ||
| Description: A mixed syllogism inference from a nested implication and a biconditional. (Contributed by NM, 5-Aug-1993.) |
| Ref | Expression |
|---|---|
| biimtrrid.1 | ⊢ (𝜓 ↔ 𝜑) |
| biimtrrid.2 | ⊢ (𝜒 → (𝜓 → 𝜃)) |
| Ref | Expression |
|---|---|
| biimtrrid | ⊢ (𝜒 → (𝜑 → 𝜃)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | biimtrrid.1 | . . 3 ⊢ (𝜓 ↔ 𝜑) | |
| 2 | 1 | biimpri 133 | . 2 ⊢ (𝜑 → 𝜓) |
| 3 | biimtrrid.2 | . 2 ⊢ (𝜒 → (𝜓 → 𝜃)) | |
| 4 | 2, 3 | syl5 32 | 1 ⊢ (𝜒 → (𝜑 → 𝜃)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ↔ wb 105 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 |
| This theorem depends on definitions: df-bi 117 |
| This theorem is referenced by: 3imtr3g 204 19.37-1 1720 mo3h 2131 necon1bidc 2452 necon4aidc 2468 r19.30dc 2678 ceqex 2930 ssdisj 3548 ralidm 3592 exmid1dc 4284 rexxfrd 4554 sucprcreg 4641 imain 5403 f0rn0 5522 funopfv 5673 mpteqb 5727 funfvima 5875 fliftfun 5926 iinerm 6762 eroveu 6781 th3qlem1 6792 updjudhf 7257 elni2 7512 genpdisj 7721 lttri3 8237 seqf1og 10755 nn0ltexp2 10943 zfz1iso 11076 ccatalpha 11161 cau3lem 11640 maxleast 11739 rexanre 11746 climcau 11873 summodc 11909 mertenslem2 12062 prodmodclem2 12103 prodmodc 12104 fprodseq 12109 bitsfzolem 12480 bitsfzo 12481 divgcdcoprmex 12639 prmind2 12657 pcqmul 12841 pcxcl 12849 pcadd 12878 mul4sq 12932 issubg2m 13741 dvdsrtr 14080 unitgrp 14095 subrgintm 14222 islssm 14336 znidom 14636 opnneiid 14853 txuni2 14945 txbas 14947 txbasval 14956 txlm 14968 blin2 15121 tgqioo 15244 plyadd 15440 plymul 15441 lgsquad2lem2 15776 2sqlem5 15813 uhgr2edg 16019 uspgr2wlkeq 16106 bj-charfunr 16228 |
| Copyright terms: Public domain | W3C validator |