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| Mirrors > Home > ILE Home > Th. List > 3imp | GIF version | ||
| Description: Importation inference. (Contributed by NM, 8-Apr-1994.) |
| Ref | Expression |
|---|---|
| 3imp.1 | ⊢ (𝜑 → (𝜓 → (𝜒 → 𝜃))) |
| Ref | Expression |
|---|---|
| 3imp | ⊢ ((𝜑 ∧ 𝜓 ∧ 𝜒) → 𝜃) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-3an 1004 | . 2 ⊢ ((𝜑 ∧ 𝜓 ∧ 𝜒) ↔ ((𝜑 ∧ 𝜓) ∧ 𝜒)) | |
| 2 | 3imp.1 | . . 3 ⊢ (𝜑 → (𝜓 → (𝜒 → 𝜃))) | |
| 3 | 2 | imp31 256 | . 2 ⊢ (((𝜑 ∧ 𝜓) ∧ 𝜒) → 𝜃) |
| 4 | 1, 3 | sylbi 121 | 1 ⊢ ((𝜑 ∧ 𝜓 ∧ 𝜒) → 𝜃) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 ∧ w3a 1002 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 |
| This theorem depends on definitions: df-bi 117 df-3an 1004 |
| This theorem is referenced by: 3impa 1218 3imp31 1220 3imp231 1221 3impb 1223 3impia 1224 3impib 1225 3com23 1233 3an1rs 1243 3imp1 1244 3impd 1245 syl3an2 1305 syl3an3 1306 3jao 1335 biimp3ar 1380 poxp 6392 tfrlemibxssdm 6488 tfr1onlembxssdm 6504 tfrcllembxssdm 6517 nndi 6649 nnmass 6650 pr2nelem 7390 xnn0lenn0nn0 10093 difelfzle 10362 fzo1fzo0n0 10415 elfzo0z 10416 fzofzim 10420 elfzodifsumelfzo 10439 mulexp 10833 expadd 10836 expmul 10839 bernneq 10915 facdiv 10993 pfxfv 11258 swrdswrdlem 11278 pfxccat3 11308 reuccatpfxs1lem 11320 dvdsaddre2b 12395 addmodlteqALT 12413 ltoddhalfle 12447 halfleoddlt 12448 dfgcd2 12578 cncongr1 12668 oddprmgt2 12699 prmfac1 12717 infpnlem1 12925 dfgrp3me 13676 mulgaddcom 13726 mulginvcom 13727 fiinopn 14721 opnneissb 14872 blssps 15144 blss 15145 gausslemma2dlem1a 15780 2sqlem10 15847 ausgrumgrien 16014 ausgrusgrien 16015 ushgredgedg 16070 ushgredgedgloop 16072 edg0usgr 16091 wlkl1loop 16169 clwwlkccatlem 16209 umgrclwwlkge2 16211 clwwlkn1loopb 16229 clwwlkext2edg 16231 clwwlknonex2lem2 16247 clwwlknonex2 16248 clwwlknonex2e 16249 |
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