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| Mirrors > Home > ILE Home > Th. List > simp3bi | GIF version | ||
| Description: Deduce a conjunct from a triple conjunction. (Contributed by Jonathan Ben-Naim, 3-Jun-2011.) |
| Ref | Expression |
|---|---|
| 3simp1bi.1 | ⊢ (𝜑 ↔ (𝜓 ∧ 𝜒 ∧ 𝜃)) |
| Ref | Expression |
|---|---|
| simp3bi | ⊢ (𝜑 → 𝜃) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 3simp1bi.1 | . . 3 ⊢ (𝜑 ↔ (𝜓 ∧ 𝜒 ∧ 𝜃)) | |
| 2 | 1 | biimpi 120 | . 2 ⊢ (𝜑 → (𝜓 ∧ 𝜒 ∧ 𝜃)) |
| 3 | 2 | simp3d 1042 | 1 ⊢ (𝜑 → 𝜃) |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 105 ∧ w3a 1009 |
| 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 df-3an 1011 |
| This theorem is used by: limuni 4541 smores2 6565 ersym 6819 ertr 6822 fvixp 6985 en2 7112 fiintim 7238 eluzle 9936 lincmble 10408 ef01bndlem 12525 sin01bnd 12526 cos01bnd 12527 sin01gt0 12531 gznegcl 13156 gzcjcl 13157 gzaddcl 13158 gzmulcl 13159 gzabssqcl 13162 4sqlem4a 13172 ennnfonelemim 13317 xpsff1o 13672 subggrp 13982 prdsbasprj 14184 srgdilem 14275 srgrz 14290 srglz 14291 ringdilem 14318 ringsrg 14354 subrngss 14510 lmodlema 14630 reeff1oleme 15875 cosq14gt0 15936 cosq23lt0 15937 coseq0q4123 15938 coseq00topi 15939 coseq0negpitopi 15940 cosq34lt1 15954 cos02pilt1 15955 ioocosf1o 15958 2sqlem2 16246 2sqlem3 16248 |
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