| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 4543 smores2 6569 ersym 6823 ertr 6826 fvixp 6990 en2 7117 fiintim 7243 eluzle 9951 lincmble 10424 ef01bndlem 12549 sin01bnd 12550 cos01bnd 12551 sin01gt0 12555 gznegcl 13184 gzcjcl 13185 gzaddcl 13186 gzmulcl 13187 gzabssqcl 13190 4sqlem4a 13200 ennnfonelemim 13374 xpsff1o 13730 subggrp 14040 prdsbasprj 14290 srgdilem 14381 srgrz 14396 srglz 14397 ringdilem 14424 ringsrg 14460 subrngss 14618 lmodlema 14738 reeff1oleme 16010 cosq14gt0 16071 cosq23lt0 16072 coseq0q4123 16073 coseq00topi 16074 coseq0negpitopi 16075 cosq34lt1 16090 cos02pilt1 16091 ioocosf1o 16094 2sqlem2 16451 2sqlem3 16453 |
| Copyright terms: Public domain | W3C validator |