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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 2145 moimv 2147 2euswapdc 2172 nelcon3d 2518 ralim 2601 ralimdaa 2608 ralimdv2 2612 rexim 2636 reximdv2 2641 rmoim 3018 ssel 3232 sstr2 3245 ssrexf 3300 ssrmof 3301 sscon 3353 ssdif 3354 unss1 3388 ssrin 3446 sspw 3682 prel12 3875 uniss 3935 ssuni 3936 intss 3970 intssunim 3971 iunss1 4002 iinss1 4003 ss2iun 4006 disjss2 4088 disjss1 4091 ssbrd 4152 sspwb 4332 poss 4419 pofun 4433 soss 4435 sess1 4458 sess2 4459 ordwe 4698 wessep 4700 peano2 4717 finds 4722 finds2 4723 relss 4837 ssrel 4838 ssrel2 4840 ssrelrel 4850 xpsspw 4862 relop 4905 cnvss 4928 dmss 4955 dmcosseq 5029 funss 5371 imadif 5436 imain 5438 fss 5521 fun 5536 brprcneu 5663 isores3 5988 isopolem 5995 isosolem 5997 tposfn2 6497 tposfo2 6498 tposf1o2 6501 smores 6523 tfr1onlemaccex 6579 tfrcllemaccex 6592 iinerm 6841 xpdom2 7082 ssenen 7105 exmidpw 7168 exmidpweq 7169 nnnninfeq2 7420 recexprlemlol 7941 recexprlemupu 7943 axpre-ltwlin 8198 axpre-apti 8200 nnindnn 8208 nnind 9253 uzind 9689 hashfacen 11208 pfxccatin12lem2 11423 cau3lem 11799 tgcl 14929 epttop 14955 txcnp 15136 plycj 15626 gausslemma2dlem0i 15930 gausslemma2dlem1a 15931 nnnninfex 16800 |
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