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Learn about the history of logic, different types of reasoning, the art of persuasion, rhetorical devices, and how to craft a compelling argument based on ethos, pathos, and logos. Enhance your persuasive skills today!
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What is an argument? An argument is people fighting or putting each other down. An argument is making a statement based on reasons and evidence and following up with support for that statement.
The History of Logic • Logic has been studied in many civilizations. India Persia Greece China
The Beginning of Logic • Their school was called the Trivium: • Grammar • Logic • Rhetoric • Only 3 classes! Aristotle: Father of Logic 384 BC – 322 BC (62 years) The base of education
Logic: There are 2 types of logic Inductive Deductive
Logic: Inductive Reasoning • When someone gathers specific facts and he comes to a general conclusion, that’s using inductive reasoning. However, it is only a probable conclusion. The more facts, the better the conclusion.
Logic: Deductive Reasoning • When someone comes to a specific conclusion after going through the facts, that’s using deductive reasoning. This is more certain because it is based on facts.
Quiz on Logic 1. Logic can be indicated and dedicated. True or False?
Quiz on Logic Aristotle was a Greek philosopher. True or False.
Quiz on Logic 3. Deductive or Inductive? Star Wars is the 2nd-biggest money maker of all time. The #1 movie in 2004 was Shrek 2. Spiderman broke many records in 2002. Therefore, Science Fiction and Fantasy films do well at the movies.
Fill-in Notes! • Ar_s_ot_ew_s _he fa_h_r of Rh_t_r_ca_dL_g_c • T_e_ea_e _wot_p_s of l_gi_: I_du_ti_ea_dD_d_ct_v_ • I_du_t_vel_gi_ is g_i_gth_ou_hf_ct_ a_dco_i_g to a g_ne_a_ co_cl_s_onw_er_ as D_d_c_i_elo_i_ is _oi_gt__ou_hf_c_sa_dc_m_ng to a sp_c_f_cc_n_lu_i_n.
Appeal to Ethos (Ethics) • When we try to convince someone by showing that we all have the same sense of right and wrong, • When we try to show that we hold the same values (honesty, trust, caring), • When we try to persuade others that we are believeable and credible, • We are using an appeal to ethos.
Appeal to Pathos (Emotion) When we try to convince others not with facts or data or logic, but by trying to affect their feelings and emotions, We are using the appeal to pathos.
Appeal to Logos (Logic) When we use reason, When we use data and facts, When we support our side with evidence, We are using the appeal to logos. Quiz Time!
Quiz on Persuasion • Ethos • Pathos • Logos • You want your parents to let you go to the movies so you make the saddest eyes you can to convince them.
Quiz on Persuasion • Ethos • Pathos • Logos • You want your parents to let you go to the movies so you explain that you have been doing your homework, and cleaning your room, and that makes you trust-worthy.
Quiz on Persuasion • Ethos • Pathos • Logos • You want your parents to let you go to the movies so you show them a picture of you screaming the last time they didn’t let you go.
Quiz on Persuasion • Ethos • Pathos • Logos • You want your parents to let you go to the movies so you show them an article that points out that kids who go out become more responsible adults.
That was impressive. You may continue with your studies. I need a 6-letter word for smart… feline! Fill-in Notes next!
Fill-in Notes! • Et_ osis t_ea_pe_l to _th_c_ • _a_h_s is t_e _pp_al to _mot_o_s • L_g_s is t_eap_e_l to _o_i_ • Wh_n we s_owso_e_neo_rs_nse of r_g_ta_dw_o_g, t_at we h_l_ t_esa_ev_l_esa_dt_at we a_eb_l_ev_ab_ea_dc_e_ib_e, th_s is _t_os • W_e_ we t_y to a_f_ct _eo_l_’se_o_i_ns we a_e _s_ngp_t_o_ • W_en we u_ed_t_, r_a_o_s, a_d _o_ic we a_eu_i_g _o_os
Rhetorical Question http://www.youtube.com/watch?v=B2EscdZ1rK0&list=PLD40C7430BEEE0D66
Fill-in Notes! Definitions - A_lu_i_n: a r_f_r_n_e to a w_l_-k_o_n _e_so_, c_ar_c_er, p_a_e, _v_n_, or l_t_ra_yw_r_. _e_et_ti_n: t_e _ec_rr_nc_ of s_un_s, w_r_s, p_ra_es, or l_n_s in a s_ee_h or _i_er_ry _ork. M_t_p_o_: a c_mp_r_so_ _e_we_nt_oth_n_st_a_ _e_mu_l_ke _ach o_h_r. _l_i_e_a_i_n: t_e _e_et_t_on of _o_s_na_tso_n_s at t_e _e_i_n_ng of _or_s. R_e_o_ic_lQ_e_t_o_: A _u_st_onf_rw_ic_ t_e _n_we_ is o_vi_u_ so n_n_ is e_pe_t_d.
Quiz on Rhetorical Devices • Rhetorical Question • Alliteration • Metaphor • Repetition • Allusion • My BFF’s boyfriend carries a knife, so I told her I didn’t want her to pull a Juliet if her parents didn’t like him.
Quiz on Rhetorical Devices • Rhetorical Question • Alliteration • Metaphor • Repetition • Allusion • “From forth the fatal loins of these two foes; a pair of star-crossed lovers take their life.” Romeo and Juliet Act 1, Prelude William Shakespeare
Quiz on Rhetorical Devices • Rhetorical Question • Alliteration • Metaphor • Repetition • Allusion • “All the world’s a stage, and all the men and women merely players. They have their exits and their entrances.” As You Like It Act 2, Scene 2 William Shakespeare
How relevant is the evidence? • Evidence must be related to the argument. • Dante deserves to be team captain because he has the most experience and knows all the plays. (Relevant) • Dante deserves to be team captain because he is the tallest. (Not relevant)
Is it a high-quality source? • When evidence is from an excellent source, it is more convincing. • My math teacher says I know Algebra really well. (high-quality source) • My 4-year-old cousin says I have great math skills. (poor-quality source)
How credible is it? • The evidence must be believable and trustworthy. • The argument has supporting evidence. • The evidence comes from qualified opinions. • The evidence comes from experts in that area. • My uncle checked my math homework and he is an engineer for NASA. I’m sure it’s right! • I googled the problem and got an answer somewhere online. I’m sure it’s right!
Fill-in Notes! • E_i_e_c_ m_s_ be r_l_v_nt, h_g_ _u_l_t_, and c_e_ib_ef_r it to be e_f_c_i_e. T_eset_in_sw_l_ ma_ey_u_ a_g_me_tm_r_ b_li_va_l_. • Ex_e_t_ a_etr_s_w_r_h_ f_re_id_n_e.
Quiz on Evidence • The following argument is a _______ argument. My mom is the best mom because she makes really great lunches and disciplines me in a harsh yet fair way. My mom is the best mom because her first name starts with the letter “A.” The sun is made of orange juice because when you look at it, it is orange. Credible Quality Relevant My aunt is an Earth science professor and says global warming is real! Credible Quality