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| Mirrors > Home > ILE Home > Th. List > 3imtr4g | GIF version | ||
| Description: More general version of 3imtr4i 201. Useful for converting definitions in a formula. (Contributed by NM, 20-May-1996.) (Proof shortened by Wolf Lammen, 20-Dec-2013.) |
| Ref | Expression |
|---|---|
| 3imtr4g.1 | ⊢ (𝜑 → (𝜓 → 𝜒)) |
| 3imtr4g.2 | ⊢ (𝜃 ↔ 𝜓) |
| 3imtr4g.3 | ⊢ (𝜏 ↔ 𝜒) |
| Ref | Expression |
|---|---|
| 3imtr4g | ⊢ (𝜑 → (𝜃 → 𝜏)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 3imtr4g.2 | . . 3 ⊢ (𝜃 ↔ 𝜓) | |
| 2 | 3imtr4g.1 | . . 3 ⊢ (𝜑 → (𝜓 → 𝜒)) | |
| 3 | 1, 2 | biimtrid 152 | . 2 ⊢ (𝜑 → (𝜃 → 𝜒)) |
| 4 | 3imtr4g.3 | . 2 ⊢ (𝜏 ↔ 𝜒) | |
| 5 | 3, 4 | imbitrrdi 162 | 1 ⊢ (𝜑 → (𝜃 → 𝜏)) |
| 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: 3anim123d 1356 3orim123d 1357 hbbid 1624 spsbim 1892 moim 2147 moimv 2149 2euswapdc 2174 nelcon3d 2520 ralim 2603 ralimdaa 2610 ralimdv2 2614 rexim 2638 reximdv2 2643 rmoim 3021 ssel 3236 sstr2 3249 ssrexf 3304 ssrmof 3305 sscon 3357 ssdif 3358 unss1 3392 ssrin 3450 sspw 3687 prel12 3880 uniss 3940 ssuni 3941 intss 3975 intssunim 3976 iunss1 4007 iinss1 4008 ss2iun 4011 disjss2 4093 disjss1 4096 ssbrd 4157 sspwb 4337 poss 4424 pofun 4438 soss 4440 sess1 4463 sess2 4464 ordwe 4703 wessep 4705 peano2 4722 finds 4727 finds2 4728 relss 4842 ssrel 4843 ssrel2 4845 ssrelrel 4855 xpsspw 4867 relop 4910 cnvss 4933 dmss 4960 dmcosseq 5034 funss 5376 imadif 5441 imain 5443 fss 5526 fun 5541 brprcneu 5668 isores3 5994 isopolem 6001 isosolem 6003 tposfn2 6510 tposfo2 6511 tposf1o2 6514 smores 6536 tfr1onlemaccex 6592 tfrcllemaccex 6605 iinerm 6854 xpdom2 7095 ssenen 7118 exmidpw 7181 exmidpweq 7182 nnnninfeq2 7433 recexprlemlol 7957 recexprlemupu 7959 axpre-ltwlin 8214 axpre-apti 8216 nnindnn 8224 nnind 9270 uzind 9707 hashfacen 11233 pfxccatin12lem2 11448 cau3lem 11824 tgcl 15055 epttop 15081 txcnp 15262 plycj 15752 gausslemma2dlem0i 16056 gausslemma2dlem1a 16057 nnnninfex 16926 |
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