Theorem List for Intuitionistic Logic Explorer - 401-500 *Has distinct variable
group(s)
Type | Label | Description |
Statement |
|
Theorem | anass 401 |
Associative law for conjunction. Theorem *4.32 of [WhiteheadRussell]
p. 118. (Contributed by NM, 5-Aug-1993.) (Proof shortened by Wolf
Lammen, 24-Nov-2012.)
|
⊢ (((𝜑 ∧ 𝜓) ∧ 𝜒) ↔ (𝜑 ∧ (𝜓 ∧ 𝜒))) |
|
Theorem | sylanl1 402 |
A syllogism inference. (Contributed by NM, 10-Mar-2005.)
|
⊢ (𝜑 → 𝜓)
& ⊢ (((𝜓 ∧ 𝜒) ∧ 𝜃) → 𝜏) ⇒ ⊢ (((𝜑 ∧ 𝜒) ∧ 𝜃) → 𝜏) |
|
Theorem | sylanl2 403 |
A syllogism inference. (Contributed by NM, 1-Jan-2005.)
|
⊢ (𝜑 → 𝜒)
& ⊢ (((𝜓 ∧ 𝜒) ∧ 𝜃) → 𝜏) ⇒ ⊢ (((𝜓 ∧ 𝜑) ∧ 𝜃) → 𝜏) |
|
Theorem | sylanr1 404 |
A syllogism inference. (Contributed by NM, 9-Apr-2005.)
|
⊢ (𝜑 → 𝜒)
& ⊢ ((𝜓 ∧ (𝜒 ∧ 𝜃)) → 𝜏) ⇒ ⊢ ((𝜓 ∧ (𝜑 ∧ 𝜃)) → 𝜏) |
|
Theorem | sylanr2 405 |
A syllogism inference. (Contributed by NM, 9-Apr-2005.)
|
⊢ (𝜑 → 𝜃)
& ⊢ ((𝜓 ∧ (𝜒 ∧ 𝜃)) → 𝜏) ⇒ ⊢ ((𝜓 ∧ (𝜒 ∧ 𝜑)) → 𝜏) |
|
Theorem | sylani 406 |
A syllogism inference. (Contributed by NM, 2-May-1996.)
|
⊢ (𝜑 → 𝜒)
& ⊢ (𝜓 → ((𝜒 ∧ 𝜃) → 𝜏)) ⇒ ⊢ (𝜓 → ((𝜑 ∧ 𝜃) → 𝜏)) |
|
Theorem | sylan2i 407 |
A syllogism inference. (Contributed by NM, 1-Aug-1994.)
|
⊢ (𝜑 → 𝜃)
& ⊢ (𝜓 → ((𝜒 ∧ 𝜃) → 𝜏)) ⇒ ⊢ (𝜓 → ((𝜒 ∧ 𝜑) → 𝜏)) |
|
Theorem | syl2ani 408 |
A syllogism inference. (Contributed by NM, 3-Aug-1999.)
|
⊢ (𝜑 → 𝜒)
& ⊢ (𝜂 → 𝜃)
& ⊢ (𝜓 → ((𝜒 ∧ 𝜃) → 𝜏)) ⇒ ⊢ (𝜓 → ((𝜑 ∧ 𝜂) → 𝜏)) |
|
Theorem | sylan9 409 |
Nested syllogism inference conjoining dissimilar antecedents.
(Contributed by NM, 5-Aug-1993.) (Proof shortened by Andrew Salmon,
7-May-2011.)
|
⊢ (𝜑 → (𝜓 → 𝜒)) & ⊢ (𝜃 → (𝜒 → 𝜏)) ⇒ ⊢ ((𝜑 ∧ 𝜃) → (𝜓 → 𝜏)) |
|
Theorem | sylan9r 410 |
Nested syllogism inference conjoining dissimilar antecedents.
(Contributed by NM, 5-Aug-1993.)
|
⊢ (𝜑 → (𝜓 → 𝜒)) & ⊢ (𝜃 → (𝜒 → 𝜏)) ⇒ ⊢ ((𝜃 ∧ 𝜑) → (𝜓 → 𝜏)) |
|
Theorem | syl2anc 411 |
Syllogism inference combined with contraction. (Contributed by NM,
16-Mar-2012.)
|
⊢ (𝜑 → 𝜓)
& ⊢ (𝜑 → 𝜒)
& ⊢ ((𝜓 ∧ 𝜒) → 𝜃) ⇒ ⊢ (𝜑 → 𝜃) |
|
Theorem | syl2anc2 412 |
Double syllogism inference combined with contraction. (Contributed by
BTernaryTau, 29-Sep-2023.)
|
⊢ (𝜑 → 𝜓)
& ⊢ (𝜓 → 𝜒)
& ⊢ ((𝜓 ∧ 𝜒) → 𝜃) ⇒ ⊢ (𝜑 → 𝜃) |
|
Theorem | sylancl 413 |
Syllogism inference combined with modus ponens. (Contributed by Jeff
Madsen, 2-Sep-2009.)
|
⊢ (𝜑 → 𝜓)
& ⊢ 𝜒
& ⊢ ((𝜓 ∧ 𝜒) → 𝜃) ⇒ ⊢ (𝜑 → 𝜃) |
|
Theorem | sylancr 414 |
Syllogism inference combined with modus ponens. (Contributed by Jeff
Madsen, 2-Sep-2009.)
|
⊢ 𝜓
& ⊢ (𝜑 → 𝜒)
& ⊢ ((𝜓 ∧ 𝜒) → 𝜃) ⇒ ⊢ (𝜑 → 𝜃) |
|
Theorem | sylanblc 415 |
Syllogism inference combined with a biconditional. (Contributed by BJ,
25-Apr-2019.)
|
⊢ (𝜑 → 𝜓)
& ⊢ 𝜒
& ⊢ ((𝜓 ∧ 𝜒) ↔ 𝜃) ⇒ ⊢ (𝜑 → 𝜃) |
|
Theorem | sylanblrc 416 |
Syllogism inference combined with a biconditional. (Contributed by BJ,
25-Apr-2019.)
|
⊢ (𝜑 → 𝜓)
& ⊢ 𝜒
& ⊢ (𝜃 ↔ (𝜓 ∧ 𝜒)) ⇒ ⊢ (𝜑 → 𝜃) |
|
Theorem | sylanbrc 417 |
Syllogism inference. (Contributed by Jeff Madsen, 2-Sep-2009.)
|
⊢ (𝜑 → 𝜓)
& ⊢ (𝜑 → 𝜒)
& ⊢ (𝜃 ↔ (𝜓 ∧ 𝜒)) ⇒ ⊢ (𝜑 → 𝜃) |
|
Theorem | sylancb 418 |
A syllogism inference combined with contraction. (Contributed by NM,
3-Sep-2004.)
|
⊢ (𝜑 ↔ 𝜓)
& ⊢ (𝜑 ↔ 𝜒)
& ⊢ ((𝜓 ∧ 𝜒) → 𝜃) ⇒ ⊢ (𝜑 → 𝜃) |
|
Theorem | sylancbr 419 |
A syllogism inference combined with contraction. (Contributed by NM,
3-Sep-2004.)
|
⊢ (𝜓 ↔ 𝜑)
& ⊢ (𝜒 ↔ 𝜑)
& ⊢ ((𝜓 ∧ 𝜒) → 𝜃) ⇒ ⊢ (𝜑 → 𝜃) |
|
Theorem | sylancom 420 |
Syllogism inference with commutation of antecents. (Contributed by NM,
2-Jul-2008.)
|
⊢ ((𝜑 ∧ 𝜓) → 𝜒)
& ⊢ ((𝜒 ∧ 𝜓) → 𝜃) ⇒ ⊢ ((𝜑 ∧ 𝜓) → 𝜃) |
|
Theorem | mpdan 421 |
An inference based on modus ponens. (Contributed by NM, 23-May-1999.)
(Proof shortened by Wolf Lammen, 22-Nov-2012.)
|
⊢ (𝜑 → 𝜓)
& ⊢ ((𝜑 ∧ 𝜓) → 𝜒) ⇒ ⊢ (𝜑 → 𝜒) |
|
Theorem | mpancom 422 |
An inference based on modus ponens with commutation of antecedents.
(Contributed by NM, 28-Oct-2003.) (Proof shortened by Wolf Lammen,
7-Apr-2013.)
|
⊢ (𝜓 → 𝜑)
& ⊢ ((𝜑 ∧ 𝜓) → 𝜒) ⇒ ⊢ (𝜓 → 𝜒) |
|
Theorem | mpidan 423 |
A deduction which "stacks" a hypothesis. (Contributed by Stanislas
Polu, 9-Mar-2020.) (Proof shortened by Wolf Lammen, 28-Mar-2021.)
|
⊢ (𝜑 → 𝜒)
& ⊢ (((𝜑 ∧ 𝜓) ∧ 𝜒) → 𝜃) ⇒ ⊢ ((𝜑 ∧ 𝜓) → 𝜃) |
|
Theorem | mpan 424 |
An inference based on modus ponens. (Contributed by NM, 30-Aug-1993.)
(Proof shortened by Wolf Lammen, 7-Apr-2013.)
|
⊢ 𝜑
& ⊢ ((𝜑 ∧ 𝜓) → 𝜒) ⇒ ⊢ (𝜓 → 𝜒) |
|
Theorem | mpan2 425 |
An inference based on modus ponens. (Contributed by NM, 16-Sep-1993.)
(Proof shortened by Wolf Lammen, 19-Nov-2012.)
|
⊢ 𝜓
& ⊢ ((𝜑 ∧ 𝜓) → 𝜒) ⇒ ⊢ (𝜑 → 𝜒) |
|
Theorem | mp2an 426 |
An inference based on modus ponens. (Contributed by NM,
13-Apr-1995.)
|
⊢ 𝜑
& ⊢ 𝜓
& ⊢ ((𝜑 ∧ 𝜓) → 𝜒) ⇒ ⊢ 𝜒 |
|
Theorem | mp4an 427 |
An inference based on modus ponens. (Contributed by Jeff Madsen,
15-Jun-2011.)
|
⊢ 𝜑
& ⊢ 𝜓
& ⊢ 𝜒
& ⊢ 𝜃
& ⊢ (((𝜑 ∧ 𝜓) ∧ (𝜒 ∧ 𝜃)) → 𝜏) ⇒ ⊢ 𝜏 |
|
Theorem | mpan2d 428 |
A deduction based on modus ponens. (Contributed by NM, 12-Dec-2004.)
|
⊢ (𝜑 → 𝜒)
& ⊢ (𝜑 → ((𝜓 ∧ 𝜒) → 𝜃)) ⇒ ⊢ (𝜑 → (𝜓 → 𝜃)) |
|
Theorem | mpand 429 |
A deduction based on modus ponens. (Contributed by NM, 12-Dec-2004.)
(Proof shortened by Wolf Lammen, 7-Apr-2013.)
|
⊢ (𝜑 → 𝜓)
& ⊢ (𝜑 → ((𝜓 ∧ 𝜒) → 𝜃)) ⇒ ⊢ (𝜑 → (𝜒 → 𝜃)) |
|
Theorem | mpani 430 |
An inference based on modus ponens. (Contributed by NM, 10-Apr-1994.)
(Proof shortened by Wolf Lammen, 19-Nov-2012.)
|
⊢ 𝜓
& ⊢ (𝜑 → ((𝜓 ∧ 𝜒) → 𝜃)) ⇒ ⊢ (𝜑 → (𝜒 → 𝜃)) |
|
Theorem | mpan2i 431 |
An inference based on modus ponens. (Contributed by NM, 10-Apr-1994.)
(Proof shortened by Wolf Lammen, 19-Nov-2012.)
|
⊢ 𝜒
& ⊢ (𝜑 → ((𝜓 ∧ 𝜒) → 𝜃)) ⇒ ⊢ (𝜑 → (𝜓 → 𝜃)) |
|
Theorem | mp2ani 432 |
An inference based on modus ponens. (Contributed by NM,
12-Dec-2004.)
|
⊢ 𝜓
& ⊢ 𝜒
& ⊢ (𝜑 → ((𝜓 ∧ 𝜒) → 𝜃)) ⇒ ⊢ (𝜑 → 𝜃) |
|
Theorem | mp2and 433 |
A deduction based on modus ponens. (Contributed by NM, 12-Dec-2004.)
|
⊢ (𝜑 → 𝜓)
& ⊢ (𝜑 → 𝜒)
& ⊢ (𝜑 → ((𝜓 ∧ 𝜒) → 𝜃)) ⇒ ⊢ (𝜑 → 𝜃) |
|
Theorem | mpanl1 434 |
An inference based on modus ponens. (Contributed by NM, 16-Aug-1994.)
(Proof shortened by Wolf Lammen, 7-Apr-2013.)
|
⊢ 𝜑
& ⊢ (((𝜑 ∧ 𝜓) ∧ 𝜒) → 𝜃) ⇒ ⊢ ((𝜓 ∧ 𝜒) → 𝜃) |
|
Theorem | mpanl2 435 |
An inference based on modus ponens. (Contributed by NM, 16-Aug-1994.)
(Proof shortened by Andrew Salmon, 7-May-2011.)
|
⊢ 𝜓
& ⊢ (((𝜑 ∧ 𝜓) ∧ 𝜒) → 𝜃) ⇒ ⊢ ((𝜑 ∧ 𝜒) → 𝜃) |
|
Theorem | mpanl12 436 |
An inference based on modus ponens. (Contributed by NM,
13-Jul-2005.)
|
⊢ 𝜑
& ⊢ 𝜓
& ⊢ (((𝜑 ∧ 𝜓) ∧ 𝜒) → 𝜃) ⇒ ⊢ (𝜒 → 𝜃) |
|
Theorem | mpanr1 437 |
An inference based on modus ponens. (Contributed by NM, 3-May-1994.)
(Proof shortened by Andrew Salmon, 7-May-2011.)
|
⊢ 𝜓
& ⊢ ((𝜑 ∧ (𝜓 ∧ 𝜒)) → 𝜃) ⇒ ⊢ ((𝜑 ∧ 𝜒) → 𝜃) |
|
Theorem | mpanr2 438 |
An inference based on modus ponens. (Contributed by NM, 3-May-1994.)
(Proof shortened by Andrew Salmon, 7-May-2011.) (Proof shortened by
Wolf Lammen, 7-Apr-2013.)
|
⊢ 𝜒
& ⊢ ((𝜑 ∧ (𝜓 ∧ 𝜒)) → 𝜃) ⇒ ⊢ ((𝜑 ∧ 𝜓) → 𝜃) |
|
Theorem | mpanr12 439 |
An inference based on modus ponens. (Contributed by NM,
24-Jul-2009.)
|
⊢ 𝜓
& ⊢ 𝜒
& ⊢ ((𝜑 ∧ (𝜓 ∧ 𝜒)) → 𝜃) ⇒ ⊢ (𝜑 → 𝜃) |
|
Theorem | mpanlr1 440 |
An inference based on modus ponens. (Contributed by NM, 30-Dec-2004.)
(Proof shortened by Wolf Lammen, 7-Apr-2013.)
|
⊢ 𝜓
& ⊢ (((𝜑 ∧ (𝜓 ∧ 𝜒)) ∧ 𝜃) → 𝜏) ⇒ ⊢ (((𝜑 ∧ 𝜒) ∧ 𝜃) → 𝜏) |
|
Theorem | mpbirand 441 |
Detach truth from conjunction in biconditional. (Contributed by Glauco
Siliprandi, 3-Mar-2021.)
|
⊢ (𝜑 → 𝜒)
& ⊢ (𝜑 → (𝜓 ↔ (𝜒 ∧ 𝜃))) ⇒ ⊢ (𝜑 → (𝜓 ↔ 𝜃)) |
|
Theorem | mpbiran2d 442 |
Detach truth from conjunction in biconditional. Deduction form.
(Contributed by Peter Mazsa, 24-Sep-2022.)
|
⊢ (𝜑 → 𝜃)
& ⊢ (𝜑 → (𝜓 ↔ (𝜒 ∧ 𝜃))) ⇒ ⊢ (𝜑 → (𝜓 ↔ 𝜒)) |
|
Theorem | pm5.74da 443 |
Distribution of implication over biconditional (deduction form).
(Contributed by NM, 4-May-2007.)
|
⊢ ((𝜑 ∧ 𝜓) → (𝜒 ↔ 𝜃)) ⇒ ⊢ (𝜑 → ((𝜓 → 𝜒) ↔ (𝜓 → 𝜃))) |
|
Theorem | imdistan 444 |
Distribution of implication with conjunction. (Contributed by NM,
31-May-1999.) (Proof shortened by Wolf Lammen, 6-Dec-2012.)
|
⊢ ((𝜑 → (𝜓 → 𝜒)) ↔ ((𝜑 ∧ 𝜓) → (𝜑 ∧ 𝜒))) |
|
Theorem | imdistani 445 |
Distribution of implication with conjunction. (Contributed by NM,
1-Aug-1994.)
|
⊢ (𝜑 → (𝜓 → 𝜒)) ⇒ ⊢ ((𝜑 ∧ 𝜓) → (𝜑 ∧ 𝜒)) |
|
Theorem | imdistanri 446 |
Distribution of implication with conjunction. (Contributed by NM,
8-Jan-2002.)
|
⊢ (𝜑 → (𝜓 → 𝜒)) ⇒ ⊢ ((𝜓 ∧ 𝜑) → (𝜒 ∧ 𝜑)) |
|
Theorem | imdistand 447 |
Distribution of implication with conjunction (deduction form).
(Contributed by NM, 27-Aug-2004.)
|
⊢ (𝜑 → (𝜓 → (𝜒 → 𝜃))) ⇒ ⊢ (𝜑 → ((𝜓 ∧ 𝜒) → (𝜓 ∧ 𝜃))) |
|
Theorem | imdistanda 448 |
Distribution of implication with conjunction (deduction version with
conjoined antecedent). (Contributed by Jeff Madsen, 19-Jun-2011.)
|
⊢ ((𝜑 ∧ 𝜓) → (𝜒 → 𝜃)) ⇒ ⊢ (𝜑 → ((𝜓 ∧ 𝜒) → (𝜓 ∧ 𝜃))) |
|
Theorem | syldanl 449 |
A syllogism deduction with conjoined antecedents. (Contributed by Jeff
Madsen, 20-Jun-2011.)
|
⊢ ((𝜑 ∧ 𝜓) → 𝜒)
& ⊢ (((𝜑 ∧ 𝜒) ∧ 𝜃) → 𝜏) ⇒ ⊢ (((𝜑 ∧ 𝜓) ∧ 𝜃) → 𝜏) |
|
Theorem | pm5.32d 450 |
Distribution of implication over biconditional (deduction form).
(Contributed by NM, 29-Oct-1996.) (Revised by NM, 31-Jan-2015.)
|
⊢ (𝜑 → (𝜓 → (𝜒 ↔ 𝜃))) ⇒ ⊢ (𝜑 → ((𝜓 ∧ 𝜒) ↔ (𝜓 ∧ 𝜃))) |
|
Theorem | pm5.32rd 451 |
Distribution of implication over biconditional (deduction form).
(Contributed by NM, 25-Dec-2004.)
|
⊢ (𝜑 → (𝜓 → (𝜒 ↔ 𝜃))) ⇒ ⊢ (𝜑 → ((𝜒 ∧ 𝜓) ↔ (𝜃 ∧ 𝜓))) |
|
Theorem | pm5.32da 452 |
Distribution of implication over biconditional (deduction form).
(Contributed by NM, 9-Dec-2006.)
|
⊢ ((𝜑 ∧ 𝜓) → (𝜒 ↔ 𝜃)) ⇒ ⊢ (𝜑 → ((𝜓 ∧ 𝜒) ↔ (𝜓 ∧ 𝜃))) |
|
Theorem | pm5.32 453 |
Distribution of implication over biconditional. Theorem *5.32 of
[WhiteheadRussell] p. 125.
(Contributed by NM, 1-Aug-1994.) (Revised by
NM, 31-Jan-2015.)
|
⊢ ((𝜑 → (𝜓 ↔ 𝜒)) ↔ ((𝜑 ∧ 𝜓) ↔ (𝜑 ∧ 𝜒))) |
|
Theorem | pm5.32i 454 |
Distribution of implication over biconditional (inference form).
(Contributed by NM, 1-Aug-1994.)
|
⊢ (𝜑 → (𝜓 ↔ 𝜒)) ⇒ ⊢ ((𝜑 ∧ 𝜓) ↔ (𝜑 ∧ 𝜒)) |
|
Theorem | pm5.32ri 455 |
Distribution of implication over biconditional (inference form).
(Contributed by NM, 12-Mar-1995.)
|
⊢ (𝜑 → (𝜓 ↔ 𝜒)) ⇒ ⊢ ((𝜓 ∧ 𝜑) ↔ (𝜒 ∧ 𝜑)) |
|
Theorem | biadan2 456 |
Add a conjunction to an equivalence. (Contributed by Jeff Madsen,
20-Jun-2011.)
|
⊢ (𝜑 → 𝜓)
& ⊢ (𝜓 → (𝜑 ↔ 𝜒)) ⇒ ⊢ (𝜑 ↔ (𝜓 ∧ 𝜒)) |
|
Theorem | anbi2i 457 |
Introduce a left conjunct to both sides of a logical equivalence.
(Contributed by NM, 5-Aug-1993.) (Proof shortened by Wolf Lammen,
16-Nov-2013.)
|
⊢ (𝜑 ↔ 𝜓) ⇒ ⊢ ((𝜒 ∧ 𝜑) ↔ (𝜒 ∧ 𝜓)) |
|
Theorem | anbi1i 458 |
Introduce a right conjunct to both sides of a logical equivalence.
(Contributed by NM, 5-Aug-1993.) (Proof shortened by Wolf Lammen,
16-Nov-2013.)
|
⊢ (𝜑 ↔ 𝜓) ⇒ ⊢ ((𝜑 ∧ 𝜒) ↔ (𝜓 ∧ 𝜒)) |
|
Theorem | anbi2ci 459 |
Variant of anbi2i 457 with commutation. (Contributed by Jonathan
Ben-Naim, 3-Jun-2011.) (Proof shortened by Andrew Salmon,
14-Jun-2011.)
|
⊢ (𝜑 ↔ 𝜓) ⇒ ⊢ ((𝜑 ∧ 𝜒) ↔ (𝜒 ∧ 𝜓)) |
|
Theorem | anbi12i 460 |
Conjoin both sides of two equivalences. (Contributed by NM,
5-Aug-1993.)
|
⊢ (𝜑 ↔ 𝜓)
& ⊢ (𝜒 ↔ 𝜃) ⇒ ⊢ ((𝜑 ∧ 𝜒) ↔ (𝜓 ∧ 𝜃)) |
|
Theorem | anbi12ci 461 |
Variant of anbi12i 460 with commutation. (Contributed by Jonathan
Ben-Naim, 3-Jun-2011.)
|
⊢ (𝜑 ↔ 𝜓)
& ⊢ (𝜒 ↔ 𝜃) ⇒ ⊢ ((𝜑 ∧ 𝜒) ↔ (𝜃 ∧ 𝜓)) |
|
Theorem | sylan9bb 462 |
Nested syllogism inference conjoining dissimilar antecedents.
(Contributed by NM, 4-Mar-1995.)
|
⊢ (𝜑 → (𝜓 ↔ 𝜒)) & ⊢ (𝜃 → (𝜒 ↔ 𝜏)) ⇒ ⊢ ((𝜑 ∧ 𝜃) → (𝜓 ↔ 𝜏)) |
|
Theorem | sylan9bbr 463 |
Nested syllogism inference conjoining dissimilar antecedents.
(Contributed by NM, 4-Mar-1995.)
|
⊢ (𝜑 → (𝜓 ↔ 𝜒)) & ⊢ (𝜃 → (𝜒 ↔ 𝜏)) ⇒ ⊢ ((𝜃 ∧ 𝜑) → (𝜓 ↔ 𝜏)) |
|
Theorem | anbi2d 464 |
Deduction adding a left conjunct to both sides of a logical equivalence.
(Contributed by NM, 5-Aug-1993.) (Proof shortened by Wolf Lammen,
16-Nov-2013.)
|
⊢ (𝜑 → (𝜓 ↔ 𝜒)) ⇒ ⊢ (𝜑 → ((𝜃 ∧ 𝜓) ↔ (𝜃 ∧ 𝜒))) |
|
Theorem | anbi1d 465 |
Deduction adding a right conjunct to both sides of a logical
equivalence. (Contributed by NM, 5-Aug-1993.) (Proof shortened by Wolf
Lammen, 16-Nov-2013.)
|
⊢ (𝜑 → (𝜓 ↔ 𝜒)) ⇒ ⊢ (𝜑 → ((𝜓 ∧ 𝜃) ↔ (𝜒 ∧ 𝜃))) |
|
Theorem | anbi1 466 |
Introduce a right conjunct to both sides of a logical equivalence.
Theorem *4.36 of [WhiteheadRussell] p. 118. (Contributed
by NM,
3-Jan-2005.)
|
⊢ ((𝜑 ↔ 𝜓) → ((𝜑 ∧ 𝜒) ↔ (𝜓 ∧ 𝜒))) |
|
Theorem | anbi2 467 |
Introduce a left conjunct to both sides of a logical equivalence.
(Contributed by NM, 16-Nov-2013.)
|
⊢ ((𝜑 ↔ 𝜓) → ((𝜒 ∧ 𝜑) ↔ (𝜒 ∧ 𝜓))) |
|
Theorem | anbi1cd 468 |
Introduce a proposition as left conjunct on the left-hand side and right
conjunct on the right-hand side of an equivalence. Deduction form.
(Contributed by Peter Mazsa, 22-May-2021.)
|
⊢ (𝜑 → (𝜓 ↔ 𝜒)) ⇒ ⊢ (𝜑 → ((𝜃 ∧ 𝜓) ↔ (𝜒 ∧ 𝜃))) |
|
Theorem | bianass 469 |
An inference to merge two lists of conjuncts. (Contributed by Giovanni
Mascellani, 23-May-2019.)
|
⊢ (𝜑 ↔ (𝜓 ∧ 𝜒)) ⇒ ⊢ ((𝜂 ∧ 𝜑) ↔ ((𝜂 ∧ 𝜓) ∧ 𝜒)) |
|
Theorem | bianassc 470 |
An inference to merge two lists of conjuncts. (Contributed by Peter
Mazsa, 24-Sep-2022.)
|
⊢ (𝜑 ↔ (𝜓 ∧ 𝜒)) ⇒ ⊢ ((𝜂 ∧ 𝜑) ↔ ((𝜓 ∧ 𝜂) ∧ 𝜒)) |
|
Theorem | an21 471 |
Swap two conjuncts. (Contributed by Peter Mazsa, 18-Sep-2022.)
|
⊢ (((𝜑 ∧ 𝜓) ∧ 𝜒) ↔ (𝜓 ∧ (𝜑 ∧ 𝜒))) |
|
Theorem | bitr 472 |
Theorem *4.22 of [WhiteheadRussell] p.
117. (Contributed by NM,
3-Jan-2005.)
|
⊢ (((𝜑 ↔ 𝜓) ∧ (𝜓 ↔ 𝜒)) → (𝜑 ↔ 𝜒)) |
|
Theorem | anbi12d 473 |
Deduction joining two equivalences to form equivalence of conjunctions.
(Contributed by NM, 5-Aug-1993.)
|
⊢ (𝜑 → (𝜓 ↔ 𝜒)) & ⊢ (𝜑 → (𝜃 ↔ 𝜏)) ⇒ ⊢ (𝜑 → ((𝜓 ∧ 𝜃) ↔ (𝜒 ∧ 𝜏))) |
|
Theorem | mpan10 474 |
Modus ponens mixed with several conjunctions. (Contributed by Jim
Kingdon, 7-Jan-2018.)
|
⊢ ((((𝜑 → 𝜓) ∧ 𝜒) ∧ 𝜑) → (𝜓 ∧ 𝜒)) |
|
Theorem | pm5.3 475 |
Theorem *5.3 of [WhiteheadRussell] p.
125. (Contributed by NM,
3-Jan-2005.) (Proof shortened by Andrew Salmon, 7-May-2011.)
|
⊢ (((𝜑 ∧ 𝜓) → 𝜒) ↔ ((𝜑 ∧ 𝜓) → (𝜑 ∧ 𝜒))) |
|
Theorem | adantll 476 |
Deduction adding a conjunct to antecedent. (Contributed by NM,
4-May-1994.) (Proof shortened by Wolf Lammen, 24-Nov-2012.)
|
⊢ ((𝜑 ∧ 𝜓) → 𝜒) ⇒ ⊢ (((𝜃 ∧ 𝜑) ∧ 𝜓) → 𝜒) |
|
Theorem | adantlr 477 |
Deduction adding a conjunct to antecedent. (Contributed by NM,
4-May-1994.) (Proof shortened by Wolf Lammen, 24-Nov-2012.)
|
⊢ ((𝜑 ∧ 𝜓) → 𝜒) ⇒ ⊢ (((𝜑 ∧ 𝜃) ∧ 𝜓) → 𝜒) |
|
Theorem | adantrl 478 |
Deduction adding a conjunct to antecedent. (Contributed by NM,
4-May-1994.) (Proof shortened by Wolf Lammen, 24-Nov-2012.)
|
⊢ ((𝜑 ∧ 𝜓) → 𝜒) ⇒ ⊢ ((𝜑 ∧ (𝜃 ∧ 𝜓)) → 𝜒) |
|
Theorem | adantrr 479 |
Deduction adding a conjunct to antecedent. (Contributed by NM,
4-May-1994.) (Proof shortened by Wolf Lammen, 24-Nov-2012.)
|
⊢ ((𝜑 ∧ 𝜓) → 𝜒) ⇒ ⊢ ((𝜑 ∧ (𝜓 ∧ 𝜃)) → 𝜒) |
|
Theorem | adantlll 480 |
Deduction adding a conjunct to antecedent. (Contributed by NM,
26-Dec-2004.) (Proof shortened by Wolf Lammen, 2-Dec-2012.)
|
⊢ (((𝜑 ∧ 𝜓) ∧ 𝜒) → 𝜃) ⇒ ⊢ ((((𝜏 ∧ 𝜑) ∧ 𝜓) ∧ 𝜒) → 𝜃) |
|
Theorem | adantllr 481 |
Deduction adding a conjunct to antecedent. (Contributed by NM,
26-Dec-2004.) (Proof shortened by Wolf Lammen, 4-Dec-2012.)
|
⊢ (((𝜑 ∧ 𝜓) ∧ 𝜒) → 𝜃) ⇒ ⊢ ((((𝜑 ∧ 𝜏) ∧ 𝜓) ∧ 𝜒) → 𝜃) |
|
Theorem | adantlrl 482 |
Deduction adding a conjunct to antecedent. (Contributed by NM,
26-Dec-2004.) (Proof shortened by Wolf Lammen, 4-Dec-2012.)
|
⊢ (((𝜑 ∧ 𝜓) ∧ 𝜒) → 𝜃) ⇒ ⊢ (((𝜑 ∧ (𝜏 ∧ 𝜓)) ∧ 𝜒) → 𝜃) |
|
Theorem | adantlrr 483 |
Deduction adding a conjunct to antecedent. (Contributed by NM,
26-Dec-2004.) (Proof shortened by Wolf Lammen, 4-Dec-2012.)
|
⊢ (((𝜑 ∧ 𝜓) ∧ 𝜒) → 𝜃) ⇒ ⊢ (((𝜑 ∧ (𝜓 ∧ 𝜏)) ∧ 𝜒) → 𝜃) |
|
Theorem | adantrll 484 |
Deduction adding a conjunct to antecedent. (Contributed by NM,
26-Dec-2004.) (Proof shortened by Wolf Lammen, 4-Dec-2012.)
|
⊢ ((𝜑 ∧ (𝜓 ∧ 𝜒)) → 𝜃) ⇒ ⊢ ((𝜑 ∧ ((𝜏 ∧ 𝜓) ∧ 𝜒)) → 𝜃) |
|
Theorem | adantrlr 485 |
Deduction adding a conjunct to antecedent. (Contributed by NM,
26-Dec-2004.) (Proof shortened by Wolf Lammen, 4-Dec-2012.)
|
⊢ ((𝜑 ∧ (𝜓 ∧ 𝜒)) → 𝜃) ⇒ ⊢ ((𝜑 ∧ ((𝜓 ∧ 𝜏) ∧ 𝜒)) → 𝜃) |
|
Theorem | adantrrl 486 |
Deduction adding a conjunct to antecedent. (Contributed by NM,
26-Dec-2004.) (Proof shortened by Wolf Lammen, 4-Dec-2012.)
|
⊢ ((𝜑 ∧ (𝜓 ∧ 𝜒)) → 𝜃) ⇒ ⊢ ((𝜑 ∧ (𝜓 ∧ (𝜏 ∧ 𝜒))) → 𝜃) |
|
Theorem | adantrrr 487 |
Deduction adding a conjunct to antecedent. (Contributed by NM,
26-Dec-2004.) (Proof shortened by Wolf Lammen, 4-Dec-2012.)
|
⊢ ((𝜑 ∧ (𝜓 ∧ 𝜒)) → 𝜃) ⇒ ⊢ ((𝜑 ∧ (𝜓 ∧ (𝜒 ∧ 𝜏))) → 𝜃) |
|
Theorem | ad2antrr 488 |
Deduction adding two conjuncts to antecedent. (Contributed by NM,
19-Oct-1999.) (Proof shortened by Wolf Lammen, 20-Nov-2012.)
|
⊢ (𝜑 → 𝜓) ⇒ ⊢ (((𝜑 ∧ 𝜒) ∧ 𝜃) → 𝜓) |
|
Theorem | ad2antlr 489 |
Deduction adding two conjuncts to antecedent. (Contributed by NM,
19-Oct-1999.) (Proof shortened by Wolf Lammen, 20-Nov-2012.)
|
⊢ (𝜑 → 𝜓) ⇒ ⊢ (((𝜒 ∧ 𝜑) ∧ 𝜃) → 𝜓) |
|
Theorem | ad2antrl 490 |
Deduction adding two conjuncts to antecedent. (Contributed by NM,
19-Oct-1999.)
|
⊢ (𝜑 → 𝜓) ⇒ ⊢ ((𝜒 ∧ (𝜑 ∧ 𝜃)) → 𝜓) |
|
Theorem | ad2antll 491 |
Deduction adding conjuncts to antecedent. (Contributed by NM,
19-Oct-1999.)
|
⊢ (𝜑 → 𝜓) ⇒ ⊢ ((𝜒 ∧ (𝜃 ∧ 𝜑)) → 𝜓) |
|
Theorem | ad3antrrr 492 |
Deduction adding three conjuncts to antecedent. (Contributed by NM,
28-Jul-2012.)
|
⊢ (𝜑 → 𝜓) ⇒ ⊢ ((((𝜑 ∧ 𝜒) ∧ 𝜃) ∧ 𝜏) → 𝜓) |
|
Theorem | ad3antlr 493 |
Deduction adding three conjuncts to antecedent. (Contributed by Mario
Carneiro, 5-Jan-2017.)
|
⊢ (𝜑 → 𝜓) ⇒ ⊢ ((((𝜒 ∧ 𝜑) ∧ 𝜃) ∧ 𝜏) → 𝜓) |
|
Theorem | ad4antr 494 |
Deduction adding 4 conjuncts to antecedent. (Contributed by Mario
Carneiro, 4-Jan-2017.)
|
⊢ (𝜑 → 𝜓) ⇒ ⊢ (((((𝜑 ∧ 𝜒) ∧ 𝜃) ∧ 𝜏) ∧ 𝜂) → 𝜓) |
|
Theorem | ad4antlr 495 |
Deduction adding 4 conjuncts to antecedent. (Contributed by Mario
Carneiro, 5-Jan-2017.)
|
⊢ (𝜑 → 𝜓) ⇒ ⊢ (((((𝜒 ∧ 𝜑) ∧ 𝜃) ∧ 𝜏) ∧ 𝜂) → 𝜓) |
|
Theorem | ad5antr 496 |
Deduction adding 5 conjuncts to antecedent. (Contributed by Mario
Carneiro, 4-Jan-2017.)
|
⊢ (𝜑 → 𝜓) ⇒ ⊢ ((((((𝜑 ∧ 𝜒) ∧ 𝜃) ∧ 𝜏) ∧ 𝜂) ∧ 𝜁) → 𝜓) |
|
Theorem | ad5antlr 497 |
Deduction adding 5 conjuncts to antecedent. (Contributed by Mario
Carneiro, 5-Jan-2017.)
|
⊢ (𝜑 → 𝜓) ⇒ ⊢ ((((((𝜒 ∧ 𝜑) ∧ 𝜃) ∧ 𝜏) ∧ 𝜂) ∧ 𝜁) → 𝜓) |
|
Theorem | ad6antr 498 |
Deduction adding 6 conjuncts to antecedent. (Contributed by Mario
Carneiro, 4-Jan-2017.)
|
⊢ (𝜑 → 𝜓) ⇒ ⊢ (((((((𝜑 ∧ 𝜒) ∧ 𝜃) ∧ 𝜏) ∧ 𝜂) ∧ 𝜁) ∧ 𝜎) → 𝜓) |
|
Theorem | ad6antlr 499 |
Deduction adding 6 conjuncts to antecedent. (Contributed by Mario
Carneiro, 5-Jan-2017.)
|
⊢ (𝜑 → 𝜓) ⇒ ⊢ (((((((𝜒 ∧ 𝜑) ∧ 𝜃) ∧ 𝜏) ∧ 𝜂) ∧ 𝜁) ∧ 𝜎) → 𝜓) |
|
Theorem | ad7antr 500 |
Deduction adding 7 conjuncts to antecedent. (Contributed by Mario
Carneiro, 4-Jan-2017.)
|
⊢ (𝜑 → 𝜓) ⇒ ⊢ ((((((((𝜑 ∧ 𝜒) ∧ 𝜃) ∧ 𝜏) ∧ 𝜂) ∧ 𝜁) ∧ 𝜎) ∧ 𝜌) → 𝜓) |